{"id":65,"date":"2023-08-05T20:30:12","date_gmt":"2023-08-05T20:30:12","guid":{"rendered":"https:\/\/statorials.org\/ko\/%e1%84%87%e1%85%a7%e1%86%ab%e1%84%92%e1%85%aa\/"},"modified":"2023-08-05T20:30:12","modified_gmt":"2023-08-05T20:30:12","slug":"%e1%84%87%e1%85%a7%e1%86%ab%e1%84%92%e1%85%aa","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/%e1%84%87%e1%85%a7%e1%86%ab%e1%84%92%e1%85%aa\/","title":{"rendered":"\ubcc0\ud654"},"content":{"rendered":"<p>\uc774 \uae00\uc5d0\uc11c\ub294 \ubd84\uc0b0\uc774\ub77c\uace0\ub3c4 \ubd88\ub9ac\ub294 \ubd84\uc0b0\uc774 \ubb34\uc5c7\uc778\uc9c0, \uadf8\ub9ac\uace0 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. \ubd84\uc0b0 \uacc4\uc0b0\uc758 \uad6c\uccb4\uc801\uc778 \uc608\uc778 \ubd84\uc0b0 \uacf5\uc2dd\uc744 \ucc3e\uc744 \uc218 \uc788\uc73c\uba70, \ub610\ud55c \uc628\ub77c\uc778 \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub4e0 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \ub610\ud55c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ubd84\uc0b0\uc744 \ucc3e\ub294 \ubc29\ubc95\ub3c4 \ub2e4\ub978 \ubc29\uc2dd\uc73c\ub85c \uc218\ud589\ub418\ubbc0\ub85c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ubaa8\uc9d1\ub2e8 \ubd84\uc0b0\uacfc \ud45c\ubcf8 \ubd84\uc0b0\uc758 \ucc28\uc774, \ubd84\uc0b0\uacfc \ud45c\uc900 \ud3b8\ucc28\uc758 \ucc28\uc774, \uadf8\ub9ac\uace0 \uc774 \ud1b5\uacc4 \uce21\uc815\uc758 \uc18d\uc131\uc744 \uc54c\ub824\ub4dc\ub9bd\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-la-varianza\"><\/span> \ubd84\uc0b0\uc774\ub780 \ubb34\uc5c7\uc785\ub2c8\uae4c?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\ud1b5\uacc4\uc5d0\uc11c \ubd84\uc0b0\uc740 \ubb34\uc791\uc704 \ubcc0\uc218\uc758 \ubcc0\ub3d9\uc131\uc744 \ub098\ud0c0\ub0b4\ub294 \ubd84\uc0b0 \ucc99\ub3c4\uc785\ub2c8\ub2e4.<\/strong> \ubd84\uc0b0\uc740 \uc794\ucc28 \uc81c\uacf1\uc758 \ud569\uc744 \ucd1d \uad00\uce21\uce58 \uc218\ub85c \ub098\ub208 \uac12\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<p> \uc794\ucc28\ub294 \ud1b5\uacc4 \ub370\uc774\ud130 \ud3ec\uc778\ud2b8 \uac12\uacfc \ub370\uc774\ud130 \uc138\ud2b8 \ud3c9\uade0 \uac04\uc758 \ucc28\uc774\ub85c \uc774\ud574\ub429\ub2c8\ub2e4.<\/p>\n<p> \ud655\ub960 \uc774\ub860\uc5d0\uc11c \ubd84\uc0b0\uc758 \uae30\ud638\ub294 \uadf8\ub9ac\uc2a4 \ubb38\uc790 \uc2dc\uadf8\ub9c8 \uc81c\uacf1(\u03c3 <sup>2<\/sup> )\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c <em>Var(X)<\/em> \ub85c \ud45c\uc2dc\ub418\uc9c0\ub9cc <em>X\ub294<\/em> \ubd84\uc0b0\uc774 \uacc4\uc0b0\ub418\ub294 \ubb34\uc791\uc704 \ubcc0\uc218\uc785\ub2c8\ub2e4.<\/p>\n<p> \uc77c\ubc18\uc801\uc73c\ub85c <strong>\ud655\ub960\ubcc0\uc218\uc758 \ubd84\uc0b0\uac12\uc744 \ud574\uc11d\ud558\ub294<\/strong> \uac83\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4. \ubd84\uc0b0 \uac12\uc774 \ud074\uc218\ub85d \ub370\uc774\ud130\uac00 \ub354 \ub9ce\uc774 \ubd84\uc0b0\ub429\ub2c8\ub2e4. \ubc18\ub300\ub85c, \ubd84\uc0b0 \uac12\uc774 \uc791\uc744\uc218\ub85d \ub370\uc774\ud130 \uacc4\uc5f4\uc758 \ubd84\uc0b0\uc774 \uc904\uc5b4\ub4ed\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubd84\uc0b0\uc744 \ud574\uc11d\ud560 \ub54c\ub294 <em>\ubd84\uc0b0<\/em> \uac12\uc744 \uc65c\uace1\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \uc774\uc0c1\uac12\uc5d0 \uc8fc\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p> \ubd84\uc0b0 \uc678\uc5d0 \ubd84\uc0b0\uc73c\ub85c \uac04\uc8fc\ub418\ub294 \uae30\ud0c0 \uce21\uc815\uac12\uc73c\ub85c\ub294 \ubc94\uc704, \ud45c\uc900 \ud3b8\ucc28, \ud3c9\uade0 \ud3b8\ucc28 \ubc0f \ubcc0\ub3d9 \uacc4\uc218\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"como-calcular-la-varianza\"><\/span>\uaca9\ucc28\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud558\ub824\uba74 \ub2e4\uc74c \ub2e8\uacc4\ub97c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ol style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\ub370\uc774\ud130 \uc138\ud2b8\uc758 <a href=\"https:\/\/statorials.org\/ko\/\u1109\u1161\u11ab\u1109\u116e\u11af-\u1111\u1167\u11bc\u1100\u1172\u11ab\/\">\uc0b0\uc220 \ud3c9\uade0\uc744<\/a> \uad6c\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\ub370\uc774\ud130 \uc138\ud2b8\uc758 \uac12\uacfc \ud3c9\uade0 \uc0ac\uc774\uc758 \ucc28\uc774\ub85c \uc815\uc758\ub41c \uc794\ucc28\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\ub098\uba38\uc9c0\ub97c \uac01\uac01 \uc81c\uacf1\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uc774\uc804 \ub2e8\uacc4\uc5d0\uc11c \uacc4\uc0b0\ub41c \ubaa8\ub4e0 \uacb0\uacfc\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color:#101010;font-weight: normal;\">\ucd1d \ub370\uc774\ud130 \uc218\ub85c \ub098\ub215\ub2c8\ub2e4. \uc5bb\uc740 \uacb0\uacfc\ub294 \ub370\uc774\ud130 \uacc4\uc5f4\uc758 \ubd84\uc0b0\uc785\ub2c8\ub2e4.<\/span><\/li>\n<\/ol>\n<p> \uacb0\ub860\uc801\uc73c\ub85c, \ub370\uc774\ud130 \uc138\ud2b8\uc758 <strong>\ubd84\uc0b0\uc744 \uacc4\uc0b0\ud558\ub294 \uacf5\uc2dd\uc740<\/strong> \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. <\/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=\"\ubcc0\ud654\" class=\"wp-image-1262\" width=\"349\" height=\"259\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p style=\"margin-bottom:5px\"> \uae08:<\/p>\n<ul style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:3px\">\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> \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud558\ub824\ub294 \ud655\ub960 \ubcc0\uc218\uc785\ub2c8\ub2e4.<\/li>\n<li style=\"margin-bottom:3px\">\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> \ub370\uc774\ud130 \uac12\uc785\ub2c8\ub2e4<\/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\">\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> \ucd1d \uad00\uce21\uce58 \uc218\uc785\ub2c8\ub2e4.<\/li>\n<li>\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> \ud655\ub960\ubcc0\uc218\uc758 \ud3c9\uade0\uc774\ub2e4<\/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> \ud83d\udc49 <u style=\"text-decoration-color:#FF8A05;\">\uc544\ub798 \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub4e0 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/u><\/p>\n<p> \ub530\ub77c\uc11c \ub370\uc774\ud130 \uacc4\uc5f4\uc5d0\uc11c \ubd84\uc0b0\uc744 \ucd94\ucd9c\ud558\ub824\uba74 \uc0b0\uc220 \ud3c9\uade0\uc774 \uc5b4\ub5bb\uac8c \uacc4\uc0b0\ub418\ub294\uc9c0 \uc544\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \uc5b4\ub5bb\uac8c \ud558\ub294\uc9c0 \uae30\uc5b5\ub098\uc9c0 \uc54a\ub294\ub2e4\uba74 \uc704\uc5d0 \ub9c1\ud06c\ub41c \uae00\uc5d0\uc11c \ud655\uc778\ud558\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ejemplo-de-la-varianza\"><\/span> \ud3b8\ucc28\uc758 \uc608<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \uc774\uc81c \ubd84\uc0b0\uc758 \uc815\uc758\ub97c \uc54c\uc558\uc73c\ub2c8, \ub370\uc774\ud130 \uc2dc\ub9ac\uc988\uc758 \ubd84\uc0b0\uc774 \uc5b4\ub5bb\uac8c \uc5bb\uc5b4\uc9c0\ub294\uc9c0 \ubcfc \uc218 \uc788\ub3c4\ub85d \ub2e8\uacc4\ubcc4\ub85c \uc5f0\uc2b5\ubb38\uc81c\ub97c \ud480\uc5b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \ub2e4\uad6d\uc801 \uae30\uc5c5\uc758 \uacbd\uc6b0 \uc9c0\ub09c 5\ub144 \ub3d9\uc548 \uc5bb\uc740 \uacbd\uc81c\uc801 \uacb0\uacfc\uac00 \uc54c\ub824\uc838 \uc788\uc73c\uba70 \ub300\ubd80\ubd84\uc740 \uc774\uc775\uc744 \uc5bb\uc5c8\uc9c0\ub9cc 1\ub144 \ub3d9\uc548 1150\ub9cc, 2, -9, 700\ub9cc \uc720\ub85c\uc758 \uc0c1\ub2f9\ud55c \uc190\uc2e4\uc744 \uc785\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p> \uc704\uc758 \uc124\uba85\uc5d0\uc11c \ubcf4\uc558\ub4ef\uc774, \ub370\uc774\ud130 \uacc4\uc5f4\uc758 \ubd84\uc0b0\uc744 \ucc3e\uae30 \uc704\ud574 \uac00\uc7a5 \uba3c\uc800 \ud574\uc57c \ud560 \uc77c\uc740 \uc0b0\uc220 \ud3c9\uade0\uc744 \uacc4\uc0b0\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p class=\"has-text-align-center\"><meta charset=\"utf-8\"><\/p>\n<\/p>\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> \uadf8\ub9ac\uace0 \ub370\uc774\ud130\uc758 \ud3c9\uade0\uac12\uc744 \uc54c\uba74 \ubd84\uc0b0 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\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> \uc6b4\ub3d9 \uc120\uc5b8\ubb38\uc5d0\uc11c \uc81c\uacf5\ud55c \ub370\uc774\ud130\ub97c \uacf5\uc2dd\uc73c\ub85c \ub300\uccb4\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\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> \ub9c8\uc9c0\ub9c9\uc73c\ub85c \ub0a8\uc740 \uac83\uc740 \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud558\uae30 \uc704\ud55c \uc5f0\uc0b0\uc744 \ud574\uacb0\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<\/p>\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> \ubd84\uc0b0 \ub2e8\uc704\ub294 \ud1b5\uacc4 \ub370\uc774\ud130\uc640 \ub3d9\uc77c\ud55c \ub2e8\uc704\uc774\uc9c0\ub9cc \uc81c\uacf1\uc774\ubbc0\ub85c \uc774 \ub370\uc774\ud130 \uadf8\ub8f9\uc758 \ubd84\uc0b0\uc740 4,576\ub9cc \uc720\ub85c <sup>2<\/sup> \uc785\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"calculadora-de-la-varianza\"><\/span> \uac2d \uacc4\uc0b0\uae30<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ud1b5\uacc4 \ub370\uc774\ud130 \uc138\ud2b8\ub97c \ub2e4\uc74c \uacc4\uc0b0\uae30\uc5d0 \uc785\ub825\ud558\uc5ec \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ub294 \uacf5\ubc31\uc73c\ub85c \uad6c\ubd84\ud574\uc57c \ud558\uba70 \uc18c\uc218\uc810 \uad6c\ubd84 \uae30\ud638\ub85c \ub9c8\uce68\ud45c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc785\ub825\ud574\uc57c \ud569\ub2c8\ub2e4. <\/p>\n<form action=\"\" method=\"post\"><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\"><input align=\"center\" style=\"border-radius:30px; margin: 20px\" type=\"submit\" name=\"submit\" value=\"\uaca9\ucc28\ub97c \uacc4\uc0b0\"><\/div>\n<\/form>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"varianza-para-datos-agrupados\"><\/span>\uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ucc28\uc774<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\uac04\uaca9\uc73c\ub85c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud558\ub824\uba74<\/strong> \ub2e4\uc74c \ub2e8\uacc4\ub97c \ub530\ub77c\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<ol style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud3c9\uade0\uc744 \uad6c\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \uc794\ucc28\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\ub098\uba38\uc9c0\ub97c \uac01\uac01 \uc81c\uacf1\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uac01 \uc774\uc804 \uacb0\uacfc\uc5d0 \ud574\ub2f9 \uac04\uaca9\uc758 \ube48\ub3c4\ub97c \uacf1\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li style=\"margin-bottom:12px\"> <span style=\"color:#101010;font-weight: normal;\">\uc774\uc804 \ub2e8\uacc4\uc5d0\uc11c \uc5bb\uc740 \ubaa8\ub4e0 \uac12\uc758 \ud569\uacc4\ub97c \ub354\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color:#101010;font-weight: normal;\">\ucd1d \uad00\ucc30 \uc218\ub85c \ub098\ub215\ub2c8\ub2e4. \uacb0\uacfc \uc22b\uc790\ub294 \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ubd84\uc0b0\uc785\ub2c8\ub2e4.<\/span><\/li>\n<\/ol>\n<p> \uc989, \uad6c\uac04\ubcc4\ub85c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud558\ub294 \uacf5\uc2dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\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> \uc704\uc758 \uacf5\uc2dd\uc774 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\uc9c0\ub9cc \uc544\ub798\uc758 \ub300\uc218\uc2dd\ub3c4 \ub3d9\uc77c\ud558\ubbc0\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/p>\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> \uc608\ub97c \ub4e4\uc5b4, \ub2e4\uc74c\uacfc \uac19\uc774 \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130 \uc2dc\ub9ac\uc988\uc758 \ubd84\uc0b0\uc744 \ucc3e\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. <\/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=\"\uac04\uaca9\uc73c\ub85c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\" class=\"wp-image-1274\" width=\"259\" height=\"190\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> \uba3c\uc800 \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud3c9\uade0\uc744 \uacb0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ud074\ub798\uc2a4 \ub9c8\ud06c\uc640 \ube48\ub3c4\uc758 \uacf1\uc744 \uc0ac\uc6a9\ud558\uc5ec \ube48\ub3c4 \ud14c\uc774\ube14\uc5d0 \uc5f4\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4. <\/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=\"\ud3c9\uade0\uc73c\ub85c \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\" class=\"wp-image-1275\" width=\"345\" height=\"190\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> \uc774\uc81c \ucd94\uac00\ub41c \uc5f4\uc758 \ud569\uacc4\ub97c \ucd1d \ub370\uc774\ud130 \uc218\ub85c \ub098\ub204\uc5b4 \uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ud3c9\uade0\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<\/p>\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> \uadf8\ub9ac\uace0 \uacc4\uc0b0\ub41c \ub370\uc774\ud130\uc758 \ud3c9\uade0\uc5d0\uc11c \ub2e4\uc74c \uc138 \uac1c\uc758 \uc5f4\uc744 \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/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=\"\uadf8\ub8f9\ud654\ub41c \ub370\uc774\ud130\uc758 \ubd84\uc0b0\" class=\"wp-image-1276\" width=\"642\" height=\"190\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<p> \ub530\ub77c\uc11c \ud480\ub9c1\ub41c \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ubd84\uc0b0\uc740 \ub9c8\uc9c0\ub9c9 \uc5f4\uc758 \ud569\uacc4\ub97c \uad00\ucc30\ub41c \ub370\uc774\ud130\uc758 \ucd1d \uac1c\uc218\ub85c \ub098\ub208 \uac12\uc785\ub2c8\ub2e4. <\/p>\n<\/p>\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\"><span class=\"ez-toc-section\" id=\"varianza-y-desviacion-estandar\"><\/span> \ubd84\uc0b0 \ubc0f \ud45c\uc900\ud3b8\ucc28<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> <strong>\ubd84\uc0b0\uacfc \ud45c\uc900\ud3b8\ucc28(\ub610\ub294 \ud45c\uc900\ud3b8\ucc28)\ub294<\/strong> \ub450 \uac00\uc9c0 \ubd84\uc0b0 \uce21\uc815\uac12\uc774\ubbc0\ub85c \ub458 \ub2e4 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ubd84\uc0b0 \uc815\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 <strong>\ubd84\uc0b0\uacfc \ud45c\uc900 \ud3b8\ucc28\uc758 \ucc28\uc774\uc810\uc740<\/strong> \uc77c\ubc18\uc801\uc73c\ub85c \ubd84\uc0b0\uc740 \ud45c\uc900 \ud3b8\ucc28\uc758 \uc81c\uacf1\uc774\ubbc0\ub85c \ub354 \ud070 \uac12\uc744 \uac16\ub294\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<p> \ud45c\uc900 \ud3b8\ucc28\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uadf8\ub9ac\uc2a4 \ubb38\uc790 \uc2dc\uadf8\ub9c8(\u03c3)\ub85c \ud45c\uc2dc\ub418\uba70 \uc774\ub7ec\ud55c \uc774\uc720\ub85c \ubd84\uc0b0\uc740 \ubb38\uc790 \uc2dc\uadf8\ub9c8 \uc81c\uacf1(\u03c3 <sup>2<\/sup> )\uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4. \uc774\ub294 \ub450 \ubd84\uc0b0 \uce21\uc815\ud56d\ubaa9 \uc0ac\uc774\uc5d0 \uc874\uc7ac\ud558\ub294 \uc218\ud559\uc801 \uad00\uacc4\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n<\/p>\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> \ub530\ub77c\uc11c \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ubd84\uc0b0 \uac12\uc744 \uacc4\uc0b0\ud55c \ud6c4\uc5d0\ub294 \ub2e8\uc21c\ud788 \ubd84\uc0b0\uc758 \uc81c\uacf1\uadfc\uc744 \ucde8\ud558\uc5ec \ub3d9\uc77c\ud55c \uc138\ud2b8\uc758 \ud45c\uc900 \ud3b8\ucc28 \uac12\uc744 \uc27d\uac8c \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n<\/p>\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\"><span class=\"ez-toc-section\" id=\"varianza-poblacional-y-varianza-muestral\"><\/span> \ubaa8\uc9d1\ub2e8 \ubd84\uc0b0 \ubc0f \ud45c\ubcf8 \ubd84\uc0b0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ub17c\ub9ac\uc801\uc73c\ub85c <strong>\ubaa8\uc9d1\ub2e8 \ubd84\uc0b0\uc740<\/strong> \ud1b5\uacc4\uc801 \ubaa8\uc9d1\ub2e8\uc758 \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud558\ub294 \uac83\uc744 \ub9d0\ud558\uba70, \ub300\uc2e0 \ud45c\ubcf8\uc758 \ubd84\uc0b0 \uacc4\uc0b0\uc5d0\ub294 <strong>\ud45c\ubcf8 \ubd84\uc0b0\uc744<\/strong> \uc801\uc6a9\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubaa8\uc9d1\ub2e8 \ubd84\uc0b0 \uacf5\uc2dd\uc740 \ud45c\ubcf8 \ubd84\uc0b0 \uacf5\uc2dd\uacfc \ub2e4\ub974\uae30 \ub54c\ubb38\uc5d0 \uc774\ub294 \uc11c\ub85c \ub2e4\ub978 \ub450 \uac00\uc9c0 \uac1c\ub150\uc785\ub2c8\ub2e4.<\/p>\n<p> \uc77c\ubc18\uc801\uc73c\ub85c \ubd84\uc0b0 \uc5f0\uc2b5\uc5d0\uc11c \ubcc4\ub3c4\ub85c \uc9c0\uc2dc\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0 \uc81c\uacf5\ub41c \ub370\uc774\ud130 \uc138\ud2b8\uc758 \ubd84\uc0b0\uc744 \ucc3e\uc73c\ub824\uba74 \uae30\uc0ac\uc758 \uc2dc\uc791 \ubd80\ubd84\uc5d0\uc11c \uc124\uba85\ud588\ub358 <strong>\ubaa8\uc9d1\ub2e8 \ubd84\uc0b0 \uacf5\uc2dd\uc744<\/strong> \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/p>\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> \uadf8\ub7ec\ub098 \uc77c\ubd80 \ubb38\uc81c\uc5d0\uc11c\ub294 \ud1b5\uacc4 \ub370\uc774\ud130\ub97c \ud45c\ubcf8\uc73c\ub85c \ucc98\ub9ac\ud574\uc57c \ud560 \uc218\ub3c4 \uc788\uc73c\uba70, \uc774 \uacbd\uc6b0 <strong>\ud45c\ubcf8 \ubd84\uc0b0 \uacf5\uc2dd\uc744<\/strong> \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/p>\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> \ubaa8\uc9d1\ub2e8 \ubd84\uc0b0\uc774 \uacc4\uc0b0\ub41c\ub2e4\ub294 \uac83\uc744 \ub098\ud0c0\ub0b4\uae30 \uc704\ud574 \uadf8\ub9ac\uc2a4 \ubb38\uc790 \u03c3\ub85c \ud45c\uc2dc\ub418\uc9c0\ub9cc, \ud45c\ubcf8 \ubd84\uc0b0\uc744 \uacc4\uc0b0\ud560 \ub54c\ub294 \ubb38\uc790 s\uac00 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n<p> \ubcf4\uc2dc\ub2e4\uc2dc\ud53c \ub450 \uacf5\uc2dd\uc758 \uc720\uc77c\ud55c \ucc28\uc774\uc810\uc740 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc744 \ucd1d \uad00\uce21\uce58 \uc218\uc5d0\uc11c 1\uc744 \ube80 \uac12\uc73c\ub85c \ub098\ub204\uc5b4\uc57c \ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 \ucd1d 30\uac1c\uc758 \ub370\uc774\ud130 \ud56d\ubaa9\uc774 \uc788\ub294 \uacbd\uc6b0 29\ub85c \ub098\ub215\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ubd84\uc790 \uacc4\uc0b0\uc740 \uc815\ud655\ud788 \uac19\uc740 \ubc29\uc2dd\uc73c\ub85c \uc218\ud589\ub429\ub2c8\ub2e4. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"propiedades-de-la-varianza\"><\/span> \ubd84\uc0b0 \uc18d\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> \ubd84\uc0b0\uc5d0\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc18d\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li> \uc784\uc758 \ubcc0\uc218\uc758 \ubd84\uc0b0\uc740 \ud56d\uc0c1 0\ubcf4\ub2e4 \ud06c\uac70\ub098 \uac19\uc2b5\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c \ubd84\uc0b0\uc774 0\uc774\uba74 \ubaa8\ub4e0 \ud1b5\uacc4 \ub370\uc774\ud130\uac00 \ub3d9\uc77c\ud558\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\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>\n<li> \ubd84\uba85\ud788 \ub2e8\uc77c \uac12\uc758 \ubd84\uc0b0\uc740 0\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\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>\n<li> \ubcc0\uc218\uc5d0 \uc758\ud55c \uc2a4\uce7c\ub77c \uacf1\uc758 \ubd84\uc0b0\uc740 \ud574\ub2f9 \uc2a4\uce7c\ub77c\uc758 \uc81c\uacf1\uc5d0 \ubcc0\uc218 \ubd84\uc0b0\uc744 \uacf1\ud55c \uac83\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\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>\n<li> \ub450 \uc885\uc18d\ubcc0\uc218\uc758 \ud569\uc5d0 \ub300\ud55c \ubd84\uc0b0\uc740 \uac01 \ubcc0\uc218\uc758 \uac1c\ubcc4 \ubd84\uc0b0\uc5d0 \ub450 \ubcc0\uc218 \uac04\uc758 \uacf5\ubd84\uc0b0\uc758 \ub450 \ubc30\ub97c \ud569\ud55c \uac83\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\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>\n<li> \uacb0\uacfc\uc801\uc73c\ub85c \ub450 \ubcc0\uc218\uac00 \ub3c5\ub9bd\uc778 \uacbd\uc6b0 \ud569\uacc4\uc758 \ubd84\uc0b0\uc744 \uacb0\uc815\ud558\ub824\uba74 \ubd84\uc0b0\uc744 \ucd94\uac00\ud558\uba74 \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\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>\n<li> \ud3b8\ucc28\ub294 \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc218\ud559\uc801 \uae30\ub300\uac12\uc73c\ub85c \uc815\uc758\ud560 \uc218\ub3c4 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