{"id":3770,"date":"2023-07-15T15:42:15","date_gmt":"2023-07-15T15:42:15","guid":{"rendered":"https:\/\/statorials.org\/ar\/%d8%ad%d8%b3%d8%a7%d8%a8-%d8%af%d8%b1%d8%ac%d8%a7%d8%aa-%d8%a7%d9%84%d8%ad%d8%b1%d9%8a%d8%a9-%d9%84%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-t\/"},"modified":"2023-07-15T15:42:15","modified_gmt":"2023-07-15T15:42:15","slug":"%d8%ad%d8%b3%d8%a7%d8%a8-%d8%af%d8%b1%d8%ac%d8%a7%d8%aa-%d8%a7%d9%84%d8%ad%d8%b1%d9%8a%d8%a9-%d9%84%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-t","status":"publish","type":"post","link":"https:\/\/statorials.org\/ar\/%d8%ad%d8%b3%d8%a7%d8%a8-%d8%af%d8%b1%d8%ac%d8%a7%d8%aa-%d8%a7%d9%84%d8%ad%d8%b1%d9%8a%d8%a9-%d9%84%d8%a7%d8%ae%d8%aa%d8%a8%d8%a7%d8%b1-t\/","title":{"rendered":"\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629 \u0644\u0623\u064a \u0627\u062e\u062a\u0628\u0627\u0631 t"},"content":{"rendered":"<p><\/p>\n<hr>\n<p style=\";text-align:right;direction:rtl\"><span style=\"color: #000000;\">\u0641\u064a \u0627\u0644\u0625\u062d\u0635\u0627\u0621\u060c \u0647\u0646\u0627\u0643 \u062b\u0644\u0627\u062b\u0629 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a T \u0634\u0627\u0626\u0639\u0629 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/ar\/\u0639\u064a\u0646\u0629-\u0645\u0646-\u0627\u062e\u062a\u0628\u0627\u0631-t\/\" target=\"_blank\" rel=\"noopener\">\u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0639\u064a\u0646\u0629 \u0648\u0627\u062d\u062f\u0629<\/a> : \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0645\u062c\u062a\u0645\u0639 \u0628\u0642\u064a\u0645\u0629 \u0645\u0639\u064a\u0646\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/ar\/\u0627\u062e\u062a\u0628\u0627\u0631-\u0639\u064a\u0646\u062a\u064a\u0646-\u0627\u0644\u062e\u0627\u0635-\u0628\u0643\/\" target=\"_blank\" rel=\"noopener\">\u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0639\u064a\u0646\u062a\u064a\u0646<\/a> : \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0648\u0633\u0637\u064a\u0646 \u0633\u0643\u0627\u0646\u064a\u064a\u0646.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/ar\/\u0627\u062e\u062a\u0628\u0627\u0631-t-\u0644\u0644\u0639\u064a\u0646\u0627\u062a-\u0627\u0644\u0645\u0642\u062a\u0631\u0646\u0629\/\" target=\"_blank\" rel=\"noopener\">\u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0644\u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0645\u0642\u062a\u0631\u0646\u0629<\/a> : \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u062a\u0648\u0633\u0637\u064a \u0645\u062c\u0645\u0648\u0639\u062a\u064a\u0646 \u0645\u0646 \u0627\u0644\u0633\u0643\u0627\u0646 \u0639\u0646\u062f\u0645\u0627 \u064a\u0645\u0643\u0646 \u0631\u0628\u0637 \u0643\u0644 \u0645\u0644\u0627\u062d\u0638\u0629 \u0641\u064a \u0639\u064a\u0646\u0629 \u0648\u0627\u062d\u062f\u0629 \u0628\u0645\u0644\u0627\u062d\u0638\u0629 \u0641\u064a \u0627\u0644\u0639\u064a\u0646\u0629 \u0627\u0644\u0623\u062e\u0631\u0649.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0639\u0646\u062f \u0625\u062c\u0631\u0627\u0621 \u0643\u0644 \u0627\u062e\u062a\u0628\u0627\u0631 t\u060c \u0633\u062a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u062d\u0633\u0627\u0628 \u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 <strong>\u0648\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629<\/strong> \u0627\u0644\u0645\u0642\u0627\u0628\u0644\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0641\u064a\u0645\u0627 \u064a\u0644\u064a \u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629 \u0644\u0643\u0644 \u0646\u0648\u0639 \u0645\u0646 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0639\u064a\u0646\u0629 \u0648\u0627\u062d\u062f\u0629: df = n-1<\/strong> \u062d\u064a\u062b <em>n<\/em> \u0647\u0648 \u0627\u0644\u0639\u062f\u062f \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0644\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0639\u064a\u0646\u062a\u064a\u0646: df = n <sub>1<\/sub> + n <sub>2<\/sub> \u2013 2<\/strong> \u062d\u064a\u062b <em>n <sub>1<\/sub><\/em> , <em>n <sub>2<\/sub><\/em> \u0647\u0645\u0627 \u0625\u062c\u0645\u0627\u0644\u064a \u0627\u0644\u0645\u0644\u0627\u062d\u0638\u0627\u062a \u0644\u0643\u0644 \u0639\u064a\u0646\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0644\u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0645\u0642\u062a\u0631\u0646\u0629: n-1<\/strong> \u062d\u064a\u062b <em>n<\/em> \u0647\u0648 \u0627\u0644\u0639\u062f\u062f \u0627\u0644\u0625\u062c\u0645\u0627\u0644\u064a \u0644\u0644\u0623\u0632\u0648\u0627\u062c.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062a\u0648\u0636\u062d \u0627\u0644\u0623\u0645\u062b\u0644\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629 \u0644\u0643\u0644 \u0646\u0648\u0639 \u0645\u0646 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a t \u0639\u0645\u0644\u064a\u064b\u0627.<\/span><\/p>\n<h2 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0645\u062b\u0627\u0644 1: \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0639\u064a\u0646\u0629 \u0648\u0627\u062d\u062f\u0629<\/strong><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646\u0646\u0627 \u0646\u0631\u064a\u062f \u0623\u0646 \u0646\u0639\u0631\u0641 \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0645\u062a\u0648\u0633\u0637 \u0648\u0632\u0646 \u0646\u0648\u0639 \u0645\u0639\u064a\u0646 \u0645\u0646 \u0627\u0644\u0633\u0644\u0627\u062d\u0641 \u064a\u0633\u0627\u0648\u064a 310 \u0623\u0631\u0637\u0627\u0644 \u0623\u0645 \u0644\u0627.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646\u0646\u0627<\/span> <span style=\"color: #000000;\">\u0642\u0645\u0646\u0627 \u0628\u062c\u0645\u0639 \u0639\u064a\u0646\u0629 \u0639\u0634\u0648\u0627\u0626\u064a\u0629 \u0645\u0646 \u0627\u0644\u0633\u0644\u0627\u062d\u0641 \u0628\u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062d\u062c\u0645 \u0627\u0644\u0639\u064a\u0646\u0629 \u0646 = 40<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0645\u062a\u0648\u0633\u0637 \u0648\u0632\u0646 \u0627\u0644\u0639\u064a\u0646\u0629 <span style=\"text-decoration: overline;\">\u0633<\/span> = 300<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a = 18.5<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0633\u0646\u0642\u0648\u0645 \u0628\u0625\u062c\u0631\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0639\u064a\u0646\u0629 \u0648\u0627\u062d\u062f\u0629 \u0645\u0639 \u0627\u0644\u0641\u0631\u0636\u064a\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">H <sub>0<\/sub> : \u03bc = 310 (\u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0633\u0643\u0627\u0646 \u064a\u0633\u0627\u0648\u064a 310 \u0643\u062a\u0627\u0628)<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">H <sub>A<\/sub> : \u03bc \u2260 310 (\u0645\u062a\u0648\u0633\u0637 \u0639\u062f\u062f \u0627\u0644\u0633\u0643\u0627\u0646 \u0644\u0627 \u064a\u0633\u0627\u0648\u064a 310 \u0631\u0637\u0644)<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0623\u0648\u0644\u0627\u064b \u0633\u0646\u0642\u0648\u0645 \u0628\u062d\u0633\u0627\u0628 \u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">t = ( <span style=\"text-decoration: overline;\">x<\/span> \u2013 \u03bc) \/ (s\/ <span style=\"text-decoration: overline;\">\u221an<\/span> ) = (300-310) \/ (18.5\/ <span style=\"text-decoration: overline;\">\u221a40<\/span> ) = -3.4187<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0628\u0639\u062f \u0630\u0644\u0643\u060c <strong>\u0633\u0648\u0641 \u0646\u0642\u0648\u0645 \u0628\u062d\u0633\u0627\u0628 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629:<\/strong><\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0645\u062f\u0627\u0641\u0639 = \u0646 -1 = 40 \u2013 1 = 39<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0623\u062e\u064a\u0631\u064b\u0627\u060c \u0633\u0646\u0642\u0648\u0645 \u0628\u0625\u062f\u062e\u0627\u0644 \u0625\u062d\u0635\u0627\u0626\u064a\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0648\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629 \u0641\u064a <a href=\"https:\/\/statorials.org\/ar\/\u062a\u064a-\u064a\u0633\u062c\u0644-\u0627\u0653\u0644\u0629-\u062d\u0627\u0633\u0628\u0629-\u0627\u0644\u0642\u064a\u0645\u0629-p\/\" target=\"_blank\" rel=\"noopener\">\u062d\u0627\u0633\u0628\u0629 P-value T-score<\/a> \u0644\u0646\u062c\u062f \u0623\u0646 \u0627\u0644\u0642\u064a\u0645\u0629 p \u0647\u064a <strong>0.00149<\/strong> .<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0628\u0645\u0627 \u0623\u0646 \u0647\u0630\u0647 \u0627\u0644\u0642\u064a\u0645\u0629 p \u0623\u0642\u0644 \u0645\u0646 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u062f\u064a\u0646\u0627 \u03b1 = 0.05\u060c \u0641\u0625\u0646\u0646\u0627 \u0646\u0631\u0641\u0636 \u0641\u0631\u0636\u064a\u0629 \u0627\u0644\u0639\u062f\u0645. \u0644\u062f\u064a\u0646\u0627 \u0645\u0627 \u064a\u0643\u0641\u064a \u0645\u0646 \u0627\u0644\u0623\u062f\u0644\u0629 \u0644\u0646\u0642\u0648\u0644 \u0623\u0646 \u0645\u062a\u0648\u0633\u0637 \u0648\u0632\u0646 \u0647\u0630\u0627 \u0627\u0644\u0646\u0648\u0639 \u0645\u0646 \u0627\u0644\u0633\u0644\u0627\u062d\u0641 \u0644\u0627 \u064a\u0633\u0627\u0648\u064a 310 \u0631\u0637\u0644.<\/span><\/p>\n<h2 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0645\u062b\u0627\u0644 2: \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 t \u0627\u0644\u0645\u0643\u0648\u0646 \u0645\u0646 \u0639\u064a\u0646\u062a\u064a\u0646<\/strong><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646\u0646\u0627 \u0646\u0631\u064a\u062f \u0623\u0646 \u0646\u0639\u0631\u0641 \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0645\u062a\u0648\u0633\u0637 \u0648\u0632\u0646 \u0646\u0648\u0639\u064a\u0646 \u0645\u062e\u062a\u0644\u0641\u064a\u0646 \u0645\u0646 \u0627\u0644\u0633\u0644\u0627\u062d\u0641 \u0645\u062a\u0633\u0627\u0648\u064a\u064b\u0627 \u0623\u0645 \u0644\u0627.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646\u0646\u0627 \u0642\u0645\u0646\u0627 \u0628\u062c\u0645\u0639 \u0639\u064a\u0646\u0629 \u0639\u0634\u0648\u0627\u0626\u064a\u0629 \u0645\u0646 \u0627\u0644\u0633\u0644\u0627\u062d\u0641 \u0645\u0646 \u0643\u0644 \u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u0627\u0644\u0645\u0639\u0644\u0648\u0645\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u0639\u064a\u0646\u0629 1:<\/strong><\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062d\u062c\u0645 \u0627\u0644\u0639\u064a\u0646\u0629 \u0646 <sub>1<\/sub> = 40<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0645\u062a\u0648\u0633\u0637 \u0648\u0632\u0646 \u0627\u0644\u0639\u064a\u0646\u0629 <span style=\"text-decoration: overline;\">\u00d7<\/span> <sub>1<\/sub> = 300<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0642 <sub>1<\/sub> = 18.5<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0627\u0644\u0639\u064a\u0646\u0629 2:<\/strong><\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062d\u062c\u0645 \u0627\u0644\u0639\u064a\u0646\u0629 \u0646 <sub>2<\/sub> = 38<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0645\u062a\u0648\u0633\u0637 \u0648\u0632\u0646 \u0627\u0644\u0639\u064a\u0646\u0629 <span style=\"text-decoration: overline;\">\u00d7<\/span> <sub>2<\/sub> = 305<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0639\u064a\u0646\u0629 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0642 <sub>2<\/sub> = 16.7<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0633\u0646\u0642\u0648\u0645 \u0628\u0625\u062c\u0631\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0639\u064a\u0646\u062a\u064a\u0646 \u0645\u0639 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">H <sub>0<\/sub> : \u03bc <sub>1<\/sub> = \u03bc <sub>2<\/sub> (\u0645\u062a\u0648\u0633\u0637\u0627 \u0627\u0644\u0633\u0643\u0627\u0646 \u0645\u062a\u0633\u0627\u0648\u064a\u0627\u0646)<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">H <sub>A<\/sub> : \u03bc <sub>1<\/sub> \u2260 \u03bc <sub>2<\/sub> (\u0648\u0633\u0637\u0627 \u0627\u0644\u0633\u0643\u0627\u0646 \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064a\u064a\u0646)<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0623\u0648\u0644\u0627\u060c \u0633\u0648\u0641 \u0646\u0642\u0648\u0645 \u0628\u062d\u0633\u0627\u0628 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0627\u0644\u0645\u062c\u0645\u0639 s <sub>p<\/sub> :<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062b <sub>\u0639<\/sub> = \u221a <span style=\"border-top: 1px solid black;\">(\u0646 <sub>1<\/sub> -1)\u062b <sub>1<\/sub> <sup>2<\/sup> + (\u0646 <sub>2<\/sub> -1)\u062b <sub>2<\/sub> <sup>2<\/sup> \/ (\u0646 <sub>1<\/sub> +\u0646 <sub>2<\/sub> -2) = \u221a (<\/span> <span style=\"border-top: 1px solid black;\">40-1)18.5 <sup>2<\/sup> + (38-1) 16.7 <sup>2<\/sup> \/ (40+38-2)<\/span> = 17.647<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0628\u0639\u062f \u0630\u0644\u0643\u060c \u0633\u0648\u0641 \u0646\u0642\u0648\u0645 \u0628\u062d\u0633\u0627\u0628 \u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 <em>t<\/em> :<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">t = ( <span style=\"border-top: 1px solid black;\">x<\/span> <sub>1<\/sub> \u2013 <span style=\"border-top: 1px solid black;\">x<\/span> <sub>2<\/sub> ) \/ \u062b <sub>p<\/sub> (\u221a <span style=\"border-top: 1px solid black;\">1\/n <sub>1<\/sub> + 1\/n <sub>2<\/sub><\/span> ) = (300-305) \/ 17.647(\u221a <span style=\"border-top: 1px solid black;\">1\/40 + 1\/38<\/span> ) = -1.2508<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0628\u0639\u062f \u0630\u0644\u0643\u060c <strong>\u0633\u0648\u0641 \u0646\u0642\u0648\u0645 \u0628\u062d\u0633\u0627\u0628 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629:<\/strong><\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062f = \u0646 <sub>1<\/sub> + \u0646 <sub>2<\/sub> \u2013 2 = 40 + 38 \u2013 2 = 76<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0623\u062e\u064a\u0631\u064b\u0627\u060c \u0633\u0646\u0642\u0648\u0645 \u0628\u0625\u062f\u062e\u0627\u0644 \u0625\u062d\u0635\u0627\u0626\u064a\u0627\u062a \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0648\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629 \u0641\u064a <a href=\"https:\/\/statorials.org\/ar\/\u062a\u064a-\u064a\u0633\u062c\u0644-\u0627\u0653\u0644\u0629-\u062d\u0627\u0633\u0628\u0629-\u0627\u0644\u0642\u064a\u0645\u0629-p\/\" target=\"_blank\" rel=\"noopener\">\u062d\u0627\u0633\u0628\u0629 P-value T-score<\/a> \u0644\u0646\u062c\u062f \u0623\u0646 \u0627\u0644\u0642\u064a\u0645\u0629 p \u0647\u064a <strong>0.21484<\/strong> .<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0628\u0645\u0627 \u0623\u0646 \u0647\u0630\u0647 \u0627\u0644\u0642\u064a\u0645\u0629 p \u0644\u064a\u0633\u062a \u0623\u0642\u0644 \u0645\u0646 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u062f\u064a\u0646\u0627 \u03b1 = 0.05\u060c \u0641\u0625\u0646\u0646\u0627 \u0646\u0641\u0634\u0644 \u0641\u064a \u0631\u0641\u0636 \u0641\u0631\u0636\u064a\u0629 \u0627\u0644\u0639\u062f\u0645. \u0644\u064a\u0633 \u0644\u062f\u064a\u0646\u0627 \u0623\u062f\u0644\u0629 \u0643\u0627\u0641\u064a\u0629 \u0644\u0646\u0642\u0648\u0644 \u0623\u0646 \u0645\u062a\u0648\u0633\u0637 \u0648\u0632\u0646 \u0627\u0644\u0633\u0644\u0627\u062d\u0641 \u0628\u064a\u0646 \u0647\u0627\u062a\u064a\u0646 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u062a\u064a\u0646 \u0645\u062e\u062a\u0644\u0641.<\/span><\/p>\n<h2 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0645\u062b\u0627\u0644 3: \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629 \u0644\u0644\u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0644\u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0645\u0642\u062a\u0631\u0646\u0629<\/strong><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u0646\u0641\u062a\u0631\u0636 \u0623\u0646\u0646\u0627 \u0646\u0631\u064a\u062f \u0623\u0646 \u0646\u0639\u0631\u0641 \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0628\u0631\u0646\u0627\u0645\u062c \u062a\u062f\u0631\u064a\u0628\u064a \u0645\u0639\u064a\u0646 \u0642\u0627\u062f\u0631 \u0639\u0644\u0649 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u0642\u0641\u0632 \u0627\u0644\u0639\u0645\u0648\u062f\u064a (\u0628\u0627\u0644\u0628\u0648\u0635\u0629) \u0644\u0644\u0627\u0639\u0628\u064a \u0643\u0631\u0629 \u0627\u0644\u0633\u0644\u0629 \u0641\u064a \u0627\u0644\u0643\u0644\u064a\u0629 \u0623\u0645 \u0644\u0627.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0644\u0627\u062e\u062a\u0628\u0627\u0631 \u0630\u0644\u0643\u060c \u064a\u0645\u0643\u0646\u0646\u0627 \u062a\u0639\u064a\u064a\u0646 <a href=\"https:\/\/statorials.org\/ar\/\u0637\u0631\u0642-\u0627\u0654\u062e\u0630-\u0627\u0644\u0639\u064a\u0646\u0627\u062a\/\" target=\"_blank\" rel=\"noopener\">\u0639\u064a\u0646\u0629 \u0639\u0634\u0648\u0627\u0626\u064a\u0629 \u0628\u0633\u064a\u0637\u0629<\/a> \u0645\u0643\u0648\u0646\u0629 \u0645\u0646 20 \u0644\u0627\u0639\u0628 \u0643\u0631\u0629 \u0633\u0644\u0629 \u062c\u0627\u0645\u0639\u064a\u064b\u0627 \u0648\u0642\u064a\u0627\u0633 \u0643\u0644 \u0642\u0641\u0632\u0629 \u0645\u0646 \u0642\u0641\u0632\u0627\u062a\u0647\u0645 \u0627\u0644\u0639\u0645\u0648\u062f\u064a\u0629 \u0627\u0644\u0642\u0635\u0648\u0649. \u062b\u0645 \u064a\u0645\u0643\u0646\u0646\u0627 \u0623\u0646 \u0646\u062c\u0639\u0644 \u0643\u0644 \u0644\u0627\u0639\u0628 \u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u062a\u062f\u0631\u064a\u0628\u064a \u0644\u0645\u062f\u0629 \u0634\u0647\u0631 \u062b\u0645 \u0646\u0642\u064a\u0633 \u0623\u0642\u0635\u0649 \u0642\u0641\u0632\u0629 \u0639\u0645\u0648\u062f\u064a\u0629 \u0644\u0647 \u0645\u0631\u0629 \u0623\u062e\u0631\u0649 \u0641\u064a \u0646\u0647\u0627\u064a\u0629 \u0627\u0644\u0634\u0647\u0631.<\/span> <\/p>\n<p style=\";text-align:right;direction:rtl\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-7956 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/jumelet1.png\" alt=\"\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0627\u062e\u062a\u0628\u0627\u0631 T \u0627\u0644\u0645\u0642\u062a\u0631\u0646\u0629\" width=\"348\" height=\"443\" srcset=\"\" sizes=\"\"><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0644\u062a\u062d\u062f\u064a\u062f \u0645\u0627 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u062a\u062f\u0631\u064a\u0628\u064a \u0644\u0647 \u062a\u0623\u062b\u064a\u0631 \u0641\u0639\u0644\u064a\u0627\u064b \u0639\u0644\u0649 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u0642\u0641\u0632 \u0627\u0644\u0639\u0645\u0648\u062f\u064a\u060c \u0633\u0648\u0641 \u0646\u0642\u0648\u0645 \u0628\u0625\u062c\u0631\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0644\u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0645\u0642\u062a\u0631\u0646\u0629.<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0623\u0648\u0644\u0627\u064b\u060c \u0633\u0646\u0642\u0648\u0645 \u0628\u062d\u0633\u0627\u0628 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0648\u062c\u0632\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0644\u0644\u0641\u0631\u0648\u0642:<\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><span style=\"text-decoration: overline;\">x<\/span> <sub>diff<\/sub> : \u0645\u062a\u0648\u0633\u0637 \u0639\u064a\u0646\u0629 \u0627\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a = -0.95<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0627\u0644\u0635\u0648\u0631\u0629: \u0639\u064a\u0646\u0629 \u0627\u0644\u0627\u0646\u062d\u0631\u0627\u0641 \u0627\u0644\u0645\u0639\u064a\u0627\u0631\u064a \u0644\u0644\u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a = 1.317<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">n: \u062d\u062c\u0645 \u0627\u0644\u0639\u064a\u0646\u0629 (\u0623\u064a \u0639\u062f\u062f \u0627\u0644\u0623\u0632\u0648\u0627\u062c) = 20<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0633\u0646\u0642\u0648\u0645 \u0628\u0625\u062c\u0631\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0644\u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0645\u0642\u062a\u0631\u0646\u0629 \u0645\u0639 \u0627\u0644\u0627\u0641\u062a\u0631\u0627\u0636\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629:<\/span><\/p>\n<ul style=\";text-align:right;direction:rtl\">\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">H <sub>0<\/sub> : \u03bc <sub>1<\/sub> = \u03bc <sub>2<\/sub> (\u0645\u062a\u0648\u0633\u0637\u0627 \u0627\u0644\u0633\u0643\u0627\u0646 \u0645\u062a\u0633\u0627\u0648\u064a\u0627\u0646)<\/span><\/li>\n<li style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">H <sub>A<\/sub> : \u03bc <sub>1<\/sub> \u2260 \u03bc <sub>2<\/sub> (\u0648\u0633\u0637\u0627 \u0627\u0644\u0633\u0643\u0627\u0646 \u063a\u064a\u0631 \u0645\u062a\u0633\u0627\u0648\u064a\u064a\u0646)<\/span><\/li>\n<\/ul>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0628\u0639\u062f \u0630\u0644\u0643\u060c \u0633\u0648\u0641 \u0646\u0642\u0648\u0645 \u0628\u062d\u0633\u0627\u0628 \u0625\u062d\u0635\u0627\u0626\u064a\u0629 \u0627\u0644\u0627\u062e\u062a\u0628\u0627\u0631:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">t = <span style=\"text-decoration: overline;\">x<\/span> <sub>\u0641\u0631\u0642<\/sub> \/ (s <sub>diff<\/sub> \/\u221an) = -0.95 \/ (1.317\/\u221a20) = -3.226<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0628\u0639\u062f \u0630\u0644\u0643 <strong>\u0646\u062d\u0633\u0628 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629<\/strong> :<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u062f\u0641 = \u0646 \u2013 1 = 20 \u2013 1 = 19<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0641\u0642\u064b\u0627 <a href=\"https:\/\/statorials.org\/ar\/\u062a\u064a-\u064a\u0633\u062c\u0644-\u0627\u0653\u0644\u0629-\u062d\u0627\u0633\u0628\u0629-\u0627\u0644\u0642\u064a\u0645\u0629-p\/\" target=\"_blank\" rel=\"noopener\">\u0644\u0622\u0644\u0629 \u062d\u0627\u0633\u0628\u0629 T Score to P Value<\/a> \u060c \u0641\u0625\u0646 \u0627\u0644\u0642\u064a\u0645\u0629 p \u0627\u0644\u0645\u0631\u062a\u0628\u0637\u0629 \u0628\u0640 t = -3.226 \u0648\u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629 = n-1 = 20-1 = 19 \u0647\u064a <strong>0.00445<\/strong> .<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u0648\u0628\u0645\u0627 \u0623\u0646 \u0647\u0630\u0647 \u0627\u0644\u0642\u064a\u0645\u0629 p \u0623\u0642\u0644 \u0645\u0646 \u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0623\u0647\u0645\u064a\u0629 \u0644\u062f\u064a\u0646\u0627 \u03b1 = 0.05\u060c \u0641\u0625\u0646\u0646\u0627 \u0646\u0631\u0641\u0636 \u0641\u0631\u0636\u064a\u0629 \u0627\u0644\u0639\u062f\u0645. \u0644\u062f\u064a\u0646\u0627 \u0645\u0627 \u064a\u0643\u0641\u064a \u0645\u0646 \u0627\u0644\u0623\u062f\u0644\u0629 \u0644\u0646\u0642\u0648\u0644 \u0623\u0646 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u062d\u062f \u0627\u0644\u0623\u0642\u0635\u0649 \u0644\u0644\u0642\u0641\u0632 \u0627\u0644\u0639\u0645\u0648\u062f\u064a \u0644\u0644\u0627\u0639\u0628\u064a\u0646 \u064a\u062e\u062a\u0644\u0641 \u0642\u0628\u0644 \u0648\u0628\u0639\u062f \u0627\u0644\u0645\u0634\u0627\u0631\u0643\u0629 \u0641\u064a \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u062a\u062f\u0631\u064a\u0628\u064a.<\/span><\/p>\n<h2 style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\"><strong>\u0645\u0635\u0627\u062f\u0631 \u0625\u0636\u0627\u0641\u064a\u0629<\/strong><\/span><\/h2>\n<p style=\";text-align:right;direction:rtl\"> <span style=\"color: #000000;\">\u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0622\u0644\u0627\u062a \u0627\u0644\u062d\u0627\u0633\u0628\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629 \u0644\u0625\u062c\u0631\u0627\u0621 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a t \u062a\u0644\u0642\u0627\u0626\u064a\u064b\u0627 \u0628\u0646\u0627\u0621\u064b \u0639\u0644\u0649 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0642\u062f\u0645\u0647\u0627:<\/span><\/p>\n<p style=\";text-align:right;direction:rtl\"> <a href=\"https:\/\/statorials.org\/ar\/\u0646\u0645\u0648\u0630\u062c-\u062d\u0627\u0633\u0628\u0629-\u0644\u0627\u062e\u062a\u0628\u0627\u0631-t\/\" target=\"_blank\" rel=\"noopener\">\u0645\u062b\u0627\u0644 \u0639\u0644\u0649 \u0627\u0644\u0622\u0644\u0629 \u0627\u0644\u062d\u0627\u0633\u0628\u0629 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 t<\/a><br \/> <a href=\"https:\/\/statorials.org\/ar\/\u0627\u062e\u062a\u0628\u0627\u0631-\u062a\u0627-\u0627\u0653\u0644\u0629-\u062d\u0627\u0633\u0628\u0629-\u0639\u064a\u0646\u062a\u064a\u0646\/\" target=\"_blank\" rel=\"noopener\">\u0622\u0644\u0629 \u062d\u0627\u0633\u0628\u0629 \u0644\u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0639\u064a\u0646\u062a\u064a\u0646<\/a><br \/> <a href=\"https:\/\/statorials.org\/ar\/\u062d\u0627\u0633\u0628\u0629-\u0627\u062e\u062a\u0628\u0627\u0631-\u0627\u0644\u0639\u064a\u0646\u0627\u062a-\u0627\u0644\u0645\u0642\u062a\u0631\u0646\u0629\/\" target=\"_blank\" rel=\"noopener\">\u062d\u0627\u0633\u0628\u0629 \u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0644\u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0645\u0642\u062a\u0631\u0646\u0629<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0641\u064a \u0627\u0644\u0625\u062d\u0635\u0627\u0621\u060c \u0647\u0646\u0627\u0643 \u062b\u0644\u0627\u062b\u0629 \u0627\u062e\u062a\u0628\u0627\u0631\u0627\u062a T \u0634\u0627\u0626\u0639\u0629 \u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645: \u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0639\u064a\u0646\u0629 \u0648\u0627\u062d\u062f\u0629 : \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u062a\u0648\u0633\u0637 \u0627\u0644\u0645\u062c\u062a\u0645\u0639 \u0628\u0642\u064a\u0645\u0629 \u0645\u0639\u064a\u0646\u0629. \u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0639\u064a\u0646\u062a\u064a\u0646 : \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0648\u0633\u0637\u064a\u0646 \u0633\u0643\u0627\u0646\u064a\u064a\u0646. \u0627\u062e\u062a\u0628\u0627\u0631 t \u0644\u0644\u0639\u064a\u0646\u0627\u062a \u0627\u0644\u0645\u0642\u062a\u0631\u0646\u0629 : \u064a\u0633\u062a\u062e\u062f\u0645 \u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u062a\u0648\u0633\u0637\u064a \u0645\u062c\u0645\u0648\u0639\u062a\u064a\u0646 \u0645\u0646 \u0627\u0644\u0633\u0643\u0627\u0646 \u0639\u0646\u062f\u0645\u0627 \u064a\u0645\u0643\u0646 \u0631\u0628\u0637 \u0643\u0644 \u0645\u0644\u0627\u062d\u0638\u0629 \u0641\u064a \u0639\u064a\u0646\u0629 \u0648\u0627\u062d\u062f\u0629 \u0628\u0645\u0644\u0627\u062d\u0638\u0629 \u0641\u064a \u0627\u0644\u0639\u064a\u0646\u0629 \u0627\u0644\u0623\u062e\u0631\u0649. \u0639\u0646\u062f \u0625\u062c\u0631\u0627\u0621 \u0643\u0644 \u0627\u062e\u062a\u0628\u0627\u0631 t\u060c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0643\u064a\u0641\u064a\u0629 \u062d\u0633\u0627\u0628 \u062f\u0631\u062c\u0627\u062a \u0627\u0644\u062d\u0631\u064a\u0629 \u0644\u0623\u064a \u0627\u062e\u062a\u0628\u0627\u0631 T - \u0639\u0644\u0645 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