{"id":65,"date":"2023-08-05T20:30:12","date_gmt":"2023-08-05T20:30:12","guid":{"rendered":"https:\/\/statorials.org\/ar\/%d8%a7%d9%84%d8%aa%d8%a8%d8%a7%d9%8a%d9%86\/"},"modified":"2023-08-05T20:30:12","modified_gmt":"2023-08-05T20:30:12","slug":"%d8%a7%d9%84%d8%aa%d8%a8%d8%a7%d9%8a%d9%86","status":"publish","type":"post","link":"https:\/\/statorials.org\/ar\/%d8%a7%d9%84%d8%aa%d8%a8%d8%a7%d9%8a%d9%86\/","title":{"rendered":"\u0627\u0644\u062a\u0628\u0627\u064a\u0646"},"content":{"rendered":"<p style=\";text-align:right;direction:rtl\">\u0646\u0648\u0636\u062d \u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0645\u0627 \u0647\u0648 \u0627\u0644\u062a\u0628\u0627\u064a\u0646\u060c \u0648\u0627\u0644\u0630\u064a \u064a\u0633\u0645\u0649 \u0623\u064a\u0636\u064b\u0627 \u0627\u0644\u062a\u0628\u0627\u064a\u0646\u060c \u0648\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628\u0647. \u0633\u062a\u062c\u062f \u0645\u0639\u0627\u062f\u0644\u0629 \u0627\u0644\u062a\u0628\u0627\u064a\u0646\u060c \u0648\u0647\u064a \u0645\u062b\u0627\u0644 \u0645\u0644\u0645\u0648\u0633 \u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0628\u0627\u064a\u0646\u060c \u0648\u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0630\u0644\u0643\u060c \u0633\u062a\u062a\u0645\u0643\u0646 \u0645\u0646 \u062d\u0633\u0627\u0628 \u062a\u0628\u0627\u064a\u0646 \u0623\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0622\u0644\u0629 \u0627\u0644\u062d\u0627\u0633\u0628\u0629 \u0639\u0628\u0631 \u0627\u0644\u0625\u0646\u062a\u0631\u0646\u062a.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0646\u0648\u0636\u062d \u0644\u0643 \u0623\u064a\u0636\u064b\u0627 \u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629\u060c \u062d\u064a\u062b \u064a\u062a\u0645 \u0630\u0644\u0643 \u0628\u0637\u0631\u064a\u0642\u0629 \u0645\u062e\u062a\u0644\u0641\u0629. \u0648\u0623\u062e\u064a\u0631\u0627 \u0646\u0639\u0644\u0645\u0643 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0633\u0643\u0627\u0646\u064a \u0648\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0639\u064a\u0646\u0629 \u0648\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0648\u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0648\u062e\u0635\u0627\u0626\u0635 \u0647\u0630\u0627 \u0627\u0644\u0645\u0642\u064a\u0627\u0633 \u0627\u0644\u0625\u062d\u0635\u0627\u0626\u064a.<\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-la-varianza\"><\/span> \u0645\u0627 \u0647\u0648 \u0627\u0644\u062a\u0628\u0627\u064a\u0646\u061f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <strong>\u0641\u064a \u0627\u0644\u0625\u062d\u0635\u0627\u0621\u060c \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0647\u0648 \u0645\u0642\u064a\u0627\u0633 \u0644\u0644\u062a\u0634\u062a\u062a \u0627\u0644\u0630\u064a \u064a\u0634\u064a\u0631 \u0625\u0644\u0649 \u062a\u0628\u0627\u064a\u0646 \u0645\u062a\u063a\u064a\u0631 \u0639\u0634\u0648\u0627\u0626\u064a.<\/strong> \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u064a\u0633\u0627\u0648\u064a \u0645\u062c\u0645\u0648\u0639 \u0645\u0631\u0628\u0639\u0627\u062a \u0627\u0644\u0628\u0642\u0627\u064a\u0627 \u0645\u0642\u0633\u0648\u0645\u064b\u0627 \u0639\u0644\u0649 \u0625\u062c\u0645\u0627\u0644\u064a \u0639\u062f\u062f \u0627\u0644\u0645\u0634\u0627\u0647\u062f\u0627\u062a.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0636\u0639 \u0641\u064a \u0627\u0639\u062a\u0628\u0627\u0631\u0643 \u0623\u0646 \u0627\u0644\u0645\u062a\u0628\u0642\u064a \u064a\u064f\u0641\u0647\u0645 \u0639\u0644\u0649 \u0623\u0646\u0647 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0642\u064a\u0645\u0629 \u0646\u0642\u0637\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0648\u0645\u062a\u0648\u0633\u0637 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0641\u064a \u0646\u0638\u0631\u064a\u0629 \u0627\u0644\u0627\u062d\u062a\u0645\u0627\u0644\u0627\u062a\u060c \u0631\u0645\u0632 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0647\u0648 \u0627\u0644\u062d\u0631\u0641 \u0627\u0644\u064a\u0648\u0646\u0627\u0646\u064a \u0633\u064a\u062c\u0645\u0627 \u062a\u0631\u0628\u064a\u0639 (\u03c3 <sup>2<\/sup> ). \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646\u0647 \u064a\u062a\u0645 \u062a\u0645\u062b\u064a\u0644\u0647 \u0639\u0627\u062f\u0629\u064b \u0643\u0640 <em>Var(X)<\/em> \u060c <em>\u062d\u064a\u062b \u064a\u0643\u0648\u0646 X<\/em> \u0647\u0648 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0639\u0634\u0648\u0627\u0626\u064a \u0627\u0644\u0630\u064a \u064a\u062a\u0645 \u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0645\u0646\u0647.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0628\u0634\u0643\u0644 \u0639\u0627\u0645\u060c <strong>\u062a\u0641\u0633\u064a\u0631 \u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0644\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0639\u0634\u0648\u0627\u0626\u064a<\/strong> \u0623\u0645\u0631 \u0628\u0633\u064a\u0637. \u0643\u0644\u0645\u0627 \u0632\u0627\u062f\u062a \u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u0628\u0627\u064a\u0646\u060c \u0632\u0627\u062f \u062a\u0634\u062a\u062a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a. \u0648\u0627\u0644\u0639\u0643\u0633 \u0635\u062d\u064a\u062d\u060c \u0643\u0644\u0645\u0627 \u0643\u0627\u0646\u062a \u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0623\u0635\u063a\u0631\u060c \u0642\u0644 \u0627\u0644\u062a\u0634\u062a\u062a \u0641\u064a \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0639\u0646\u062f \u062a\u0641\u0633\u064a\u0631 \u0627\u0644\u062a\u0628\u0627\u064a\u0646\u060c \u064a\u062c\u0628 \u0639\u0644\u0649 \u0627\u0644\u0645\u0631\u0621 \u0623\u0646 \u064a\u0643\u0648\u0646 \u062d\u0630\u0631\u0627 \u0645\u0646 <em>\u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u0645\u062a\u0637\u0631\u0641\u0629<\/em> \u060c \u0644\u0623\u0646\u0647\u0627 \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u062d\u0631\u0641 \u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u0628\u0627\u064a\u0646.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0627\u0644\u062a\u0628\u0627\u064a\u0646\u060c \u0648\u0627\u0644\u0645\u0642\u0627\u064a\u064a\u0633 \u0627\u0644\u0623\u062e\u0631\u0649 \u0627\u0644\u062a\u064a \u062a\u0639\u062a\u0628\u0631 \u0625\u0644\u0649 \u062c\u0627\u0646\u0628 \u0627\u0644\u062a\u0634\u062a\u062a \u0647\u064a \u0627\u0644\u0645\u062f\u0649 \u0648\u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0648\u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u062a\u0648\u0633\u0637 \u0648\u0645\u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0628\u0627\u064a\u0646.<\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"como-calcular-la-varianza\"><\/span>\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0627\u0644\u0641\u062c\u0648\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u0648\u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u064a\u062c\u0628 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/p>\n<ol style=\"color:#FF8A05; font-weight: bold;;text-align:right;direction:rtl\">\n<li style=\"margin-bottom:12px;text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u0623\u0648\u062c\u062f <a href=\"https:\/\/statorials.org\/ar\/\u0627\u0644\u0645\u062a\u0648\u0633\u0637-\u0627\u0644\u062d\u0633\u0627\u0628\u064a\/\">\u0627\u0644\u0648\u0633\u0637 \u0627\u0644\u062d\u0633\u0627\u0628\u064a<\/a> \u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/li>\n<li style=\"margin-bottom:12px;text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u0627\u062d\u0633\u0628 \u0627\u0644\u0628\u0642\u0627\u064a\u0627\u060c \u0627\u0644\u062a\u064a \u062a\u0645 \u062a\u0639\u0631\u064a\u0641\u0647\u0627 \u0639\u0644\u0649 \u0623\u0646\u0647\u0627 \u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u0642\u064a\u0645 \u0648\u0645\u062a\u0648\u0633\u0637 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/li>\n<li style=\"margin-bottom:12px;text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u0645\u0631\u0628\u0639 \u0643\u0644 \u0645\u0627 \u062a\u0628\u0642\u0649.<\/span><\/li>\n<li style=\"margin-bottom:12px;text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u0623\u0636\u0641 \u062c\u0645\u064a\u0639 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u0627\u0644\u0645\u062d\u0633\u0648\u0628\u0629 \u0641\u064a \u0627\u0644\u062e\u0637\u0648\u0629 \u0627\u0644\u0633\u0627\u0628\u0642\u0629.<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u0642\u0633\u0651\u0645 \u0639\u0644\u0649 \u0625\u062c\u0645\u0627\u0644\u064a \u0639\u062f\u062f \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a. \u0648\u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u064a\u0647\u0627 \u0647\u064a \u062a\u0628\u0627\u064a\u0646 \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/span><\/li>\n<\/ol>\n<p style=\";text-align:right;direction:rtl\"> \u0641\u064a \u0627\u0644\u062e\u062a\u0627\u0645\u060c <strong>\u0635\u064a\u063a\u0629 \u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0628\u0627\u064a\u0646<\/strong> \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0647\u064a: <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/variance.png\" alt=\"\u0627\u0644\u062a\u0628\u0627\u064a\u0646\" class=\"wp-image-1262\" width=\"349\" height=\"259\" srcset=\"\" sizes=\"\"><\/figure>\n<p style=\"margin-bottom:5px;text-align:right;direction:rtl\"> \u0630\u0647\u0628:<\/p>\n<ul style=\"color:#FF8A05; font-weight: bold;;text-align:right;direction:rtl\">\n<li style=\"margin-bottom:3px;text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-996ff7036e644e89f8ac379fa58d0cf7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u0647\u0648 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0639\u0634\u0648\u0627\u0626\u064a \u0627\u0644\u0630\u064a \u062a\u0631\u064a\u062f \u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0644\u0647.<\/li>\n<li style=\"margin-bottom:3px;text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-dad27a9703483183e1afd245f5232b83_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"15\" style=\"vertical-align: -3px;\"><\/p>\n<p> \u0647\u064a \u0642\u064a\u0645\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-31318c5dcb226c69e0818e5f7d2422b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"i\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p> .<\/li>\n<li style=\"margin-bottom:3px;text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-ec4217f4fa5fcd92a9edceba0e708cf7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u0647\u0648 \u0627\u0644\u0639\u062f\u062f \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0644\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a.<\/li>\n<li style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-5b485d4231dfeb4b50ddf271c3abb0b3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\overline{X}\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"17\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u0647\u0648 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0639\u0634\u0648\u0627\u0626\u064a<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-996ff7036e644e89f8ac379fa58d0cf7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"X\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p> .<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> \ud83d\udc49 <u style=\"text-decoration-color:#FF8A05;\">\u064a\u0645\u0643\u0646\u0643 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0622\u0644\u0629 \u0627\u0644\u062d\u0627\u0633\u0628\u0629 \u0623\u062f\u0646\u0627\u0647 \u0644\u062d\u0633\u0627\u0628 \u062a\u0628\u0627\u064a\u0646 \u0623\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u064a\u0627\u0646\u0627\u062a.<\/u><\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0644\u0630\u0644\u0643\u060c \u0644\u0627\u0633\u062a\u062e\u0631\u0627\u062c \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0645\u0646 \u0633\u0644\u0633\u0644\u0629 \u0628\u064a\u0627\u0646\u0627\u062a\u060c \u0645\u0646 \u0627\u0644\u0636\u0631\u0648\u0631\u064a \u0623\u0646 \u062a\u0639\u0631\u0641 \u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u062d\u0633\u0627\u0628\u064a. \u0625\u0630\u0627 \u0643\u0646\u062a \u0644\u0627 \u062a\u062a\u0630\u0643\u0631 \u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u0642\u064a\u0627\u0645 \u0628\u0630\u0644\u0643\u060c \u064a\u0645\u0643\u0646\u0643 \u0627\u0644\u062a\u062d\u0642\u0642 \u0645\u0646 \u0630\u0644\u0643 \u0641\u064a \u0627\u0644\u0645\u0642\u0627\u0644\u0629 \u0627\u0644\u0645\u0631\u062a\u0628\u0637\u0629 \u0623\u0639\u0644\u0627\u0647.<\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"ejemplo-de-la-varianza\"><\/span> \u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u0627\u0644\u0622\u0646 \u0648\u0628\u0639\u062f \u0623\u0646 \u0639\u0631\u0641\u0646\u0627 \u062a\u0639\u0631\u064a\u0641 \u0627\u0644\u062a\u0628\u0627\u064a\u0646\u060c \u0633\u0646\u062d\u0644 \u062a\u0645\u0631\u064a\u0646\u064b\u0627 \u062e\u0637\u0648\u0629 \u0628\u062e\u0637\u0648\u0629 \u062d\u062a\u0649 \u062a\u062a\u0645\u0643\u0646 \u0645\u0646 \u0631\u0624\u064a\u0629 \u0643\u064a\u0641\u064a\u0629 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u062a\u0628\u0627\u064a\u0646 \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a.<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0645\u0646 \u0634\u0631\u0643\u0629 \u0645\u062a\u0639\u062f\u062f\u0629 \u0627\u0644\u062c\u0646\u0633\u064a\u0627\u062a\u060c \u0627\u0644\u0646\u062a\u064a\u062c\u0629 \u0627\u0644\u0627\u0642\u062a\u0635\u0627\u062f\u064a\u0629 \u0627\u0644\u062a\u064a \u062d\u0642\u0642\u062a\u0647\u0627 \u0641\u064a \u0627\u0644\u0633\u0646\u0648\u0627\u062a \u0627\u0644\u062e\u0645\u0633 \u0627\u0644\u0645\u0627\u0636\u064a\u0629 \u0645\u0639\u0631\u0648\u0641\u0629\u060c \u062d\u064a\u062b \u062d\u0635\u0644\u062a \u0641\u064a \u0627\u0644\u063a\u0627\u0644\u0628 \u0639\u0644\u0649 \u0623\u0631\u0628\u0627\u062d \u0648\u0644\u0643\u0646\u0647\u0627 \u0641\u064a \u0639\u0627\u0645 \u0648\u0627\u062d\u062f \u062a\u0643\u0628\u062f\u062a \u062e\u0633\u0627\u0626\u0631 \u0643\u0628\u064a\u0631\u0629: 11.5\u060c 2\u060c -9\u060c 7 \u0645\u0644\u064a\u0648\u0646 \u064a\u0648\u0631\u0648. \u0627\u062d\u0633\u0628 \u062a\u0628\u0627\u064a\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0647\u0630\u0647.<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> \u0643\u0645\u0627 \u0631\u0623\u064a\u0646\u0627 \u0641\u064a \u0627\u0644\u0634\u0631\u062d \u0623\u0639\u0644\u0627\u0647\u060c \u0623\u0648\u0644 \u0634\u064a\u0621 \u064a\u062a\u0639\u064a\u0646 \u0639\u0644\u064a\u0646\u0627 \u0627\u0644\u0642\u064a\u0627\u0645 \u0628\u0647 \u0644\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u062a\u0628\u0627\u064a\u0646 \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0647\u0648 \u062d\u0633\u0627\u0628 \u0648\u0633\u0637\u0647\u0627 \u0627\u0644\u062d\u0633\u0627\u0628\u064a:<\/p>\n<p class=\"has-text-align-center\" style=\";text-align:right;direction:rtl\"><meta charset=\"utf-8\"><\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-0a2fc458e6a80794b9b8fdc1120ddedb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\overline{X}=\\cfrac{11+5+2+(-9)+7}{5}=3,2\" title=\"Rendered by QuickLaTeX.com\" height=\"40\" width=\"257\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0648\u0628\u0645\u062c\u0631\u062f \u0623\u0646 \u0646\u0639\u0631\u0641 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062a\u0648\u0633\u0637\u0629 \u0644\u0644\u0628\u064a\u0627\u0646\u0627\u062a\u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0635\u064a\u063a\u0629 \u0627\u0644\u062a\u0628\u0627\u064a\u0646:<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-a711d079f0c580d1e3cd8ad08084a6ca_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X)=\\cfrac{\\displaystyle\\sum_{i=1}^n\\left(x_i-\\overline{X}\\right)^2}{n}\" title=\"Rendered by QuickLaTeX.com\" height=\"70\" width=\"197\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0646\u0642\u0648\u0645 \u0628\u0627\u0633\u062a\u0628\u062f\u0627\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0642\u062f\u0645\u0629 \u0641\u064a \u0628\u064a\u0627\u0646 \u0627\u0644\u062a\u0645\u0631\u064a\u0646 \u0641\u064a \u0627\u0644\u0635\u064a\u063a\u0629:<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-e284702746a065d0ad3c1c36953e4c91_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X)=\\cfrac{\\displaystyle (11-3,2)^2+(5-3,2)^2+(2-3,2)^2+(-9-3,2)^2+(7-3,2)^2}{5}\" title=\"Rendered by QuickLaTeX.com\" height=\"42\" width=\"586\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0648\u0623\u062e\u064a\u0631\u0627\u060c \u0643\u0644 \u0645\u0627 \u062a\u0628\u0642\u0649 \u0647\u0648 \u062d\u0644 \u0627\u0644\u0639\u0645\u0644\u064a\u0627\u062a \u0644\u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0628\u0627\u064a\u0646:<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-c2cbee60d77f19e88117e1bcf28d9cb2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{aligned}Var(X)&amp;=\\cfrac{7,8^2+1,8^2+(-1,2)^2+(-12,2)^2+3,8^2}{5}\\\\[2ex]&amp;=\\cfrac{60,84+3,24+1,44+148,84+14,44}{5}\\\\[2ex]&amp;= \\cfrac{228,8}{5} \\\\[2ex]&amp;=45,76 \\ \\text{millones de euros}^2\\end{aligned}\" title=\"Rendered by QuickLaTeX.com\" height=\"208\" width=\"406\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0644\u0627\u062d\u0638 \u0623\u0646 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0647\u064a \u0646\u0641\u0633 \u0648\u062d\u062f\u0627\u062a \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0648\u0644\u0643\u0646\u0647\u0627 \u0645\u0631\u0628\u0639\u0629\u060c \u0648\u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 \u064a\u0628\u0644\u063a \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0647\u0630\u0647 45.76 \u0645\u0644\u064a\u0648\u0646 \u064a\u0648\u0631\u0648 <sup>2<\/sup> . <\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"calculadora-de-la-varianza\"><\/span> \u062d\u0627\u0633\u0628\u0629 \u0627\u0644\u0641\u062c\u0648\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u0623\u062f\u062e\u0644 \u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0641\u064a \u0627\u0644\u0622\u0644\u0629 \u0627\u0644\u062d\u0627\u0633\u0628\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0644\u062d\u0633\u0627\u0628 \u062a\u0628\u0627\u064a\u0646\u0647\u0627. \u064a\u062c\u0628 \u0641\u0635\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0645\u0633\u0627\u0641\u0629 \u0648\u0625\u062f\u062e\u0627\u0644\u0647\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0646\u0642\u0637\u0629 \u0643\u0641\u0627\u0635\u0644 \u0639\u0634\u0631\u064a. <\/p>\n<form action=\"\" method=\"post\" style=\";text-align:right;direction:rtl\"><textarea name=\"datos\" style=\"border:1.5px solid #4FC3F7; border-radius:15px;\" placeholder=\"8 2 1 5.7 6 ...\" required=\"\" oninvalid=\"this.setCustomValidity('Introduce los datos aqu\u00ed')\" oninput=\"this.setCustomValidity('')\"><\/textarea><\/p>\n<div style=\"text-align:center;text-align:right;direction:rtl\"><input align=\"center\" style=\"border-radius:30px; margin: 20px\" type=\"submit\" name=\"submit\" value=\"\u0627\u062d\u0633\u0628 \u0627\u0644\u0641\u062c\u0648\u0629\"><\/div>\n<\/form>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"varianza-para-datos-agrupados\"><\/span>\u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0644\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <strong>\u0644\u062d\u0633\u0627\u0628 \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629 \u0641\u064a \u0641\u062a\u0631\u0627\u062a<\/strong> \u060c \u064a\u062c\u0628 \u0627\u062a\u0628\u0627\u0639 \u0627\u0644\u062e\u0637\u0648\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/p>\n<ol style=\"color:#FF8A05; font-weight: bold;;text-align:right;direction:rtl\">\n<li style=\"margin-bottom:12px;text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u0623\u0648\u062c\u062f \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629.<\/span><\/li>\n<li style=\"margin-bottom:12px;text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u062d\u0633\u0627\u0628 \u0628\u0642\u0627\u064a\u0627 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629.<\/span><\/li>\n<li style=\"margin-bottom:12px;text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u0645\u0631\u0628\u0639 \u0643\u0644 \u0645\u0627 \u062a\u0628\u0642\u0649.<\/span><\/li>\n<li style=\"margin-bottom:12px;text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u0627\u0636\u0631\u0628 \u0643\u0644 \u0646\u062a\u064a\u062c\u0629 \u0633\u0627\u0628\u0642\u0629 \u0641\u064a \u062a\u0643\u0631\u0627\u0631 \u0627\u0644\u0641\u0627\u0635\u0644 \u0627\u0644\u0632\u0645\u0646\u064a \u0644\u0647\u0627.<\/span><\/li>\n<li style=\"margin-bottom:12px;text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u0623\u0636\u0641 \u0645\u062c\u0645\u0648\u0639 \u0643\u0644 \u0627\u0644\u0642\u064a\u0645 \u0627\u0644\u062a\u064a \u062a\u0645 \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u064a\u0647\u0627 \u0641\u064a \u0627\u0644\u062e\u0637\u0648\u0629 \u0627\u0644\u0633\u0627\u0628\u0642\u0629.<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color:#101010;font-weight: normal;\">\u0642\u0633\u0651\u0645 \u0639\u0644\u0649 \u0627\u0644\u0639\u062f\u062f \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0644\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a. \u0627\u0644\u0631\u0642\u0645 \u0627\u0644\u0646\u0627\u062a\u062c \u0647\u0648 \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629.<\/span><\/li>\n<\/ol>\n<p style=\";text-align:right;direction:rtl\"> \u0628\u0645\u0639\u0646\u0649 \u0622\u062e\u0631\u060c \u0635\u064a\u063a\u0629 \u062d\u0633\u0627\u0628 \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629 \u0641\u064a \u0641\u062a\u0631\u0627\u062a \u0647\u064a \u0643\u0645\u0627 \u064a\u0644\u064a:<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-3c8fd825b7e23d237d3bc105ff317afe_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X)=\\cfrac{\\displaystyle\\sum_{i=1}^n\\left(x_i-\\overline{X}\\right)^2\\cdot f_i }{n}\" title=\"Rendered by QuickLaTeX.com\" height=\"70\" width=\"224\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0639\u0644\u0649 \u0627\u0644\u0631\u063a\u0645 \u0645\u0646 \u0623\u0646 \u0627\u0644\u0635\u064a\u063a\u0629 \u0623\u0639\u0644\u0627\u0647 \u062a\u064f\u0633\u062a\u062e\u062f\u0645 \u0639\u0627\u062f\u0629\u064b\u060c \u0625\u0644\u0627 \u0623\u0646\u0647 \u064a\u0645\u0643\u0646 \u0623\u064a\u0636\u064b\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0627\u0644\u062c\u0628\u0631\u064a \u0623\u062f\u0646\u0627\u0647 \u0644\u0623\u0646\u0647 \u0645\u0643\u0627\u0641\u0626:<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-234f660701e2c8cde3bdf7ecaa140a11_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X)=\\cfrac{\\displaystyle\\sum_{i=1}^n x_i^2\\cdot f_i }{n}-\\overline{X}^2\" title=\"Rendered by QuickLaTeX.com\" height=\"70\" width=\"209\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0633\u0648\u0641 \u0646\u062c\u062f \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0641\u064a \u0633\u0644\u0633\u0644\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629: <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/donnees-regroupees-dans-intervalles.png\" alt=\"\u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0645\u062c\u0645\u0639\u0629 \u0641\u064a \u0641\u062a\u0631\u0627\u062a\" class=\"wp-image-1274\" width=\"259\" height=\"190\" srcset=\"\" sizes=\"\"><\/figure>\n<p style=\";text-align:right;direction:rtl\"> \u0623\u0648\u0644\u0627\u060c \u0646\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u062a\u062d\u062f\u064a\u062f \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629. \u0644\u0644\u0642\u064a\u0627\u0645 \u0628\u0630\u0644\u0643\u060c \u0646\u0636\u064a\u0641 \u0639\u0645\u0648\u062f\u064b\u0627 \u0641\u064a \u0627\u0644\u062c\u062f\u0648\u0644 \u0627\u0644\u062a\u0643\u0631\u0627\u0631\u064a \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u062d\u0627\u0635\u0644 \u0636\u0631\u0628 \u0639\u0644\u0627\u0645\u0629 \u0627\u0644\u0635\u0646\u0641 \u0648\u0627\u0644\u062a\u0643\u0631\u0627\u0631: <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/moyenne-des-donnees-groupees.png\" alt=\"\u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0645\u062c\u0645\u0639\u0629 \u0645\u0639 \u0627\u0644\u0645\u062a\u0648\u0633\u0637\" class=\"wp-image-1275\" width=\"345\" height=\"190\" srcset=\"\" sizes=\"\"><\/figure>\n<p style=\";text-align:right;direction:rtl\"> \u0646\u0642\u0648\u0645 \u0627\u0644\u0622\u0646 \u0628\u062d\u0633\u0627\u0628 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0642\u0633\u0645\u0629 \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u0639\u0645\u0648\u062f \u0627\u0644\u0645\u0636\u0627\u0641 \u0639\u0644\u0649 \u0625\u062c\u0645\u0627\u0644\u064a \u0639\u062f\u062f \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a:<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-cbe29749d3f628250dead48396088c9a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\overline{X}=\\cfrac{\\displaystyle\\sum_{i=1}^n x_i\\cdot f_i}{n}=\\cfrac{750}{30}=25\" title=\"Rendered by QuickLaTeX.com\" height=\"70\" width=\"209\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0648\u0645\u0646 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062d\u0633\u0648\u0628\u0629 \u064a\u0645\u0643\u0646\u0646\u0627 \u0625\u0636\u0627\u0641\u0629 \u0627\u0644\u0623\u0639\u0645\u062f\u0629 \u0627\u0644\u062b\u0644\u0627\u062b\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629: <\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/variance-pour-les-donnees-regroupees.png\" alt=\"\u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0644\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629\" class=\"wp-image-1276\" width=\"642\" height=\"190\" srcset=\"\" sizes=\"\"><\/figure>\n<p style=\";text-align:right;direction:rtl\"> \u0644\u0630\u0627 \u0641\u0625\u0646 \u062a\u0628\u0627\u064a\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u062c\u0645\u0639\u0629 \u0647\u0648 \u0645\u062c\u0645\u0648\u0639 \u0627\u0644\u0639\u0645\u0648\u062f \u0627\u0644\u0623\u062e\u064a\u0631 \u0645\u0642\u0633\u0648\u0645\u064b\u0627 \u0639\u0644\u0649 \u0625\u062c\u0645\u0627\u0644\u064a \u0639\u062f\u062f \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0631\u0635\u0648\u062f\u0629: <\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-70d22837db07bbf1e13bb4acb2cfccba_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X)=\\cfrac{\\displaystyle\\sum_{i=1}^n\\left(x_i-\\overline{X}\\right)^2\\cdot f_i }{n}=\\cfrac{4200}{30}=140\" title=\"Rendered by QuickLaTeX.com\" height=\"70\" width=\"335\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"varianza-y-desviacion-estandar\"><\/span> \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0648\u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <strong>\u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0648\u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a (\u0623\u0648 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a)<\/strong> \u0647\u0645\u0627 \u0645\u0642\u064a\u0627\u0633\u0627\u0646 \u0644\u0644\u062a\u0634\u062a\u062a\u060c \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a \u064a\u0634\u064a\u0631 \u0643\u0644\u0627\u0647\u0645\u0627 \u0625\u0644\u0649 \u062f\u0631\u062c\u0629 \u062a\u0634\u062a\u062a \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 <strong>\u0627\u0644\u0641\u0631\u0642 \u0628\u064a\u0646 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0648\u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a<\/strong> \u0647\u0648 \u0623\u0646 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0628\u0634\u0643\u0644 \u0639\u0627\u0645 \u0644\u0647 \u0642\u064a\u0645 \u0623\u0643\u0628\u0631\u060c \u0644\u0623\u0646\u0647 \u0645\u0631\u0628\u0639 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u064a\u062a\u0645 \u062a\u0645\u062b\u064a\u0644 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0639\u0645\u0648\u0645\u064b\u0627 \u0628\u0627\u0644\u062d\u0631\u0641 \u0627\u0644\u064a\u0648\u0646\u0627\u0646\u064a \u0633\u064a\u062c\u0645\u0627 (\u03c3)\u060c \u0648\u0644\u0647\u0630\u0627 \u0627\u0644\u0633\u0628\u0628 \u064a\u062a\u0645 \u062a\u0645\u062b\u064a\u0644 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0628\u0627\u0644\u062d\u0631\u0641 \u0633\u064a\u062c\u0645\u0627 \u062a\u0631\u0628\u064a\u0639 (\u03c3 <sup>2<\/sup> )\u060c \u062d\u064a\u062b \u0625\u0646\u0647\u0627 \u0627\u0644\u0639\u0644\u0627\u0642\u0629 \u0627\u0644\u0631\u064a\u0627\u0636\u064a\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u064a\u0646 \u0645\u0642\u064a\u0627\u0633\u064a \u0627\u0644\u062a\u0634\u062a\u062a \u0647\u0630\u064a\u0646.<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-0c71ab111d7c483a2ad04cb5e9618da4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X)=\\sigma^2\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"103\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0644\u0630\u0627\u060c \u0628\u0645\u062c\u0631\u062f \u0642\u064a\u0627\u0645\u0643 \u0628\u062d\u0633\u0627\u0628 \u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a\u060c \u064a\u0645\u0643\u0646\u0643 \u0628\u0633\u0647\u0648\u0644\u0629 \u0627\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u0642\u064a\u0645\u0629 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0644\u0646\u0641\u0633 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u0628\u0633\u0627\u0637\u0629 \u0639\u0646 \u0637\u0631\u064a\u0642 \u0623\u062e\u0630 \u0627\u0644\u062c\u0630\u0631 \u0627\u0644\u062a\u0631\u0628\u064a\u0639\u064a \u0644\u0644\u062a\u0628\u0627\u064a\u0646. <\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-fab93067538628f5fa2d9bc829a7c470_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\sigma=\\sqrt{\\sigma^2}\" title=\"Rendered by QuickLaTeX.com\" height=\"18\" width=\"68\" style=\"vertical-align: -1px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"varianza-poblacional-y-varianza-muestral\"><\/span> \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0633\u0643\u0627\u0646\u064a \u0648\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0639\u064a\u0646\u0629<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u0645\u0646\u0637\u0642\u064a\u0627\u060c \u064a\u0634\u064a\u0631 <strong>\u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0633\u0643\u0627\u0646\u064a<\/strong> \u0625\u0644\u0649 \u062d\u0633\u0627\u0628 \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0645\u062c\u062a\u0645\u0639 \u0627\u0644\u0625\u062d\u0635\u0627\u0626\u064a\u060c \u0648\u0628\u062f\u0644\u0627 \u0645\u0646 \u0630\u0644\u0643\u060c \u064a\u062a\u0645 \u062a\u0637\u0628\u064a\u0642 <strong>\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0639\u064a\u0646\u0629<\/strong> \u0639\u0644\u0649 \u062d\u0633\u0627\u0628 \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0639\u064a\u0646\u0629. \u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0641\u0625\u0646 \u0647\u0630\u064a\u0646 \u0627\u0644\u0645\u0641\u0647\u0648\u0645\u064a\u0646 \u0645\u062e\u062a\u0644\u0641\u0627\u0646 \u0644\u0623\u0646 \u0635\u064a\u063a\u0629 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0633\u0643\u0627\u0646\u064a \u062a\u062e\u062a\u0644\u0641 \u0639\u0646 \u0635\u064a\u063a\u0629 \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0639\u064a\u0646\u0629.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0639\u0627\u062f\u0629 \u0641\u064a \u062a\u0645\u0627\u0631\u064a\u0646 \u0627\u0644\u062a\u0628\u0627\u064a\u0646\u060c \u0625\u0630\u0627 \u0644\u0645 \u064a\u062e\u0628\u0631\u0648\u0646\u0627 \u0628\u062e\u0644\u0627\u0641 \u0630\u0644\u0643\u060c \u0644\u0644\u0639\u062b\u0648\u0631 \u0639\u0644\u0649 \u062a\u0628\u0627\u064a\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0642\u062f\u0645\u0629\u060c \u064a\u062a\u0639\u064a\u0646 \u0639\u0644\u064a\u0646\u0627 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 <strong>\u0635\u064a\u063a\u0629 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0633\u0643\u0627\u0646\u064a<\/strong> \u060c \u0648\u0647\u064a \u0627\u0644\u062a\u064a \u0634\u0631\u062d\u0646\u0627\u0647\u0627 \u0641\u064a \u0628\u062f\u0627\u064a\u0629 \u0627\u0644\u0645\u0642\u0627\u0644\u0629:<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-aae456d460db4438c8ad43d11c36dedb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\sigma^2=\\cfrac{\\displaystyle\\sum_{i=1}^n\\left(x_i-\\overline{X}\\right)^2}{n}\" title=\"Rendered by QuickLaTeX.com\" height=\"70\" width=\"153\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0648\u0644\u0643\u0646 \u0631\u0628\u0645\u0627 \u0641\u064a \u0628\u0639\u0636 \u0627\u0644\u0645\u0633\u0627\u0626\u0644 \u064a\u0637\u0644\u0628 \u0645\u0646\u0643 \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0643\u0639\u064a\u0646\u0629\u060c \u0648\u0641\u064a \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0644\u0629 \u0646\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 <strong>\u0635\u064a\u063a\u0629 \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0639\u064a\u0646\u0629<\/strong> :<\/p>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-033364d2b74d014d944faade687d7b19_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"s^2=\\cfrac{\\displaystyle\\sum_{i=1}^n\\left(x_i-\\overline{X}\\right)^2}{n-1}\" title=\"Rendered by QuickLaTeX.com\" height=\"70\" width=\"151\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0644\u0627\u062d\u0638 \u0623\u0646\u0647 \u0644\u0644\u0625\u0634\u0627\u0631\u0629 \u0625\u0644\u0649 \u0623\u0646\u0647 \u064a\u062a\u0645 \u062d\u0633\u0627\u0628 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0633\u0643\u0627\u0646\u064a\u060c \u062a\u062a\u0645 \u0627\u0644\u0625\u0634\u0627\u0631\u0629 \u0625\u0644\u064a\u0647 \u0628\u0627\u0644\u062d\u0631\u0641 \u0627\u0644\u064a\u0648\u0646\u0627\u0646\u064a \u03c3\u060c \u0648\u0644\u0643\u0646 \u0639\u0646\u062f \u062d\u0633\u0627\u0628 \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0639\u064a\u0646\u0629\u060c \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062d\u0631\u0641 s.<\/p>\n<p style=\";text-align:right;direction:rtl\"> \u0643\u0645\u0627 \u062a\u0631\u0648\u0646\u060c \u0641\u0625\u0646 \u0627\u0644\u0641\u0631\u0642 \u0627\u0644\u0648\u062d\u064a\u062f \u0628\u064a\u0646 \u0627\u0644\u0635\u064a\u063a\u062a\u064a\u0646 \u0647\u0648 \u0623\u0646\u0647 \u0641\u064a \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0639\u064a\u0646\u0629 \u0646\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0627\u0644\u0642\u0633\u0645\u0629 \u0639\u0644\u0649 \u0625\u062c\u0645\u0627\u0644\u064a \u0639\u062f\u062f \u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0646\u0627\u0642\u0635 1\u060c \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0647\u0646\u0627\u0643 30 \u0639\u0646\u0635\u0631 \u0628\u064a\u0627\u0646\u0627\u062a \u0641\u064a \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u060c \u0641\u0633\u0646\u0642\u0633\u0645 \u0639\u0644\u0649 29 \u0644\u0643\u0646 \u062d\u0633\u0627\u0628 \u0627\u0644\u0628\u0633\u0637 \u064a\u062a\u0645 \u0628\u0646\u0641\u0633 \u0627\u0644\u0637\u0631\u064a\u0642\u0629 \u062a\u0645\u0627\u0645\u064b\u0627. <\/p>\n<h2 class=\"wp-block-heading\" style=\";text-align:right;direction:rtl\"><span class=\"ez-toc-section\" id=\"propiedades-de-la-varianza\"><\/span> \u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u0628\u0627\u064a\u0646<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> \u064a\u062a\u0645\u064a\u0632 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0628\u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0633\u064a\u0643\u0648\u0646 \u062a\u0628\u0627\u064a\u0646 \u0623\u064a \u0645\u062a\u063a\u064a\u0631 \u0639\u0634\u0648\u0627\u0626\u064a \u062f\u0627\u0626\u0645\u064b\u0627 \u0623\u0643\u0628\u0631 \u0645\u0646 \u0623\u0648 \u064a\u0633\u0627\u0648\u064a \u0627\u0644\u0635\u0641\u0631. \u0648\u0628\u0627\u0644\u0645\u062b\u0644\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0635\u0641\u0631\u0627\u064b\u060c \u0641\u0647\u0630\u0627 \u064a\u0639\u0646\u064a \u0623\u0646 \u062c\u0645\u064a\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0647\u064a \u0646\u0641\u0633\u0647\u0627.<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-56edbbba242899a77fbdaf17859e5d89_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(x)\\ge 0\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"89\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0645\u0646 \u0627\u0644\u0648\u0627\u0636\u062d \u0623\u0646 \u062a\u0628\u0627\u064a\u0646 \u0642\u064a\u0645\u0629 \u0648\u0627\u062d\u062f\u0629 \u0647\u0648 \u0635\u0641\u0631.<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-60234622e7a82de8d87a8e5e5af3a686_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(a)=0\\qquad a\\in \\mathbb{R}\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"167\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0625\u0646 \u062a\u0628\u0627\u064a\u0646 \u0645\u0646\u062a\u062c \u0639\u062f\u062f\u064a \u0628\u0645\u062a\u063a\u064a\u0631 \u064a\u0639\u0627\u062f\u0644 \u0645\u0631\u0628\u0639 \u0627\u0644\u0639\u062f\u062f \u0645\u0636\u0631\u0648\u0628\u064b\u0627 \u0641\u064a \u062a\u0628\u0627\u064a\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631.<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-cfa5d6d67c4af8203682ecbd0b76d525_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(aX)=a^2\\cdot Var(X)\\qquad a\\in \\mathbb{R}\" title=\"Rendered by QuickLaTeX.com\" height=\"20\" width=\"266\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0625\u0646 \u062a\u0628\u0627\u064a\u0646 \u0645\u062c\u0645\u0648\u0639 \u0645\u062a\u063a\u064a\u0631\u064a\u0646 \u062a\u0627\u0628\u0639\u064a\u0646 \u064a\u0639\u0627\u062f\u0644 \u0645\u062c\u0645\u0648\u0639 \u062a\u0628\u0627\u064a\u0646 \u0643\u0644 \u0645\u062a\u063a\u064a\u0631 \u0639\u0644\u0649 \u062d\u062f\u0629 \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0636\u0639\u0641 \u0627\u0644\u062a\u0628\u0627\u064a\u0646 \u0628\u064a\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u064a\u0646.<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-ad23ae4c3b77e0d08f974f1c6f858ec1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X+Y)=Var(X)+Var(Y)+2Cov(X,Y)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"378\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u0648\u0628\u0627\u0644\u062a\u0627\u0644\u064a\u060c \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0631\u0627\u0646 \u0645\u0633\u062a\u0642\u0644\u064a\u0646\u060c \u0644\u062a\u062d\u062f\u064a\u062f \u062a\u0628\u0627\u064a\u0646 \u0645\u062c\u0645\u0648\u0639\u0647\u0645\u0627 \u064a\u0643\u0641\u064a \u0625\u0636\u0627\u0641\u0629 \u062a\u0628\u0627\u064a\u0646\u0627\u062a\u0647\u0645\u0627:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-e1aa58a3af75d4e27a430273183e26b6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X+Y)=Var(X)+Var(Y)\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"264\" style=\"vertical-align: -5px;\"><\/p>\n<\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> \u064a\u0645\u0643\u0646 \u0623\u064a\u0636\u064b\u0627 \u062a\u0639\u0631\u064a\u0641 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0628\u0627\u0644\u062a\u0648\u0642\u0639 \u0627\u0644\u0631\u064a\u0627\u0636\u064a \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0635\u064a\u063a\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-3adf3028629c39719280e2611df6daf5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"Var(X)=E\\bigl[(X-\\overline{X})^2\\bigr]\" title=\"Rendered by QuickLaTeX.com\" height=\"22\" 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