{"id":40808,"date":"2024-11-04T12:20:34","date_gmt":"2024-11-04T12:20:34","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=40808"},"modified":"2024-11-26T06:38:23","modified_gmt":"2024-11-26T06:38:23","slug":"35-t-%eb%b6%84%ed%8f%act-distribution%ec%99%80-t-%ea%b2%80%ec%a0%95t-test-%eb%8b%a8%ec%9d%bc%ed%91%9c%eb%b3%b8-%eb%8f%85%eb%a6%bd%ed%91%9c%eb%b3%b8-%eb%8c%80%ec%9d%91%ed%91%9c%eb%b3%b8-t","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/40808\/","title":{"rendered":"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815"},"content":{"rendered":"<p>\ud1b5\uacc4\ud559\uc5d0\uc11c t-\ubd84\ud3ec\ub294 \ubd84\uc0b0\uc774 \uc54c\ub824\uc838 \uc788\uc9c0 \uc54a\uc740 \uc815\uaddc \ubd84\ud3ec\uc5d0\uc11c \ud45c\ubcf8\uc758 \ud3c9\uade0\uc744 \ubd84\uc11d\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. t-\ubd84\ud3ec\ub294 \uc0d8\ud50c \ud06c\uae30\uac00 \uc791\uc744 \ub54c(\uc989, n &lt; 30) \uc0ac\uc6a9\ub418\uba70, \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \ucee4\uc9c8\uc218\ub85d \uc815\uaddc \ubd84\ud3ec\uc5d0 \uac00\uae4c\uc6cc\uc9c0\ub294 \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. t-\uac80\uc815\uc740 \ub450 \uc9d1\ub2e8 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \ube44\uad50\ud558\ub294 \ubc29\ubc95\uc73c\ub85c, \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc744 \uace0\ub824\ud558\uc5ec \uac80\uc815 \ud1b5\uacc4\ub7c9\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/p>\n<h2>1. t-\ubd84\ud3ec(t-Distribution)<\/h2>\n<p>t-\ubd84\ud3ec\ub294 \ud559\uc0dd\uc758 t-\ubd84\ud3ec\ub77c\uace0\ub3c4 \uc54c\ub824\uc838 \uc788\uc73c\uba70, W.S. Gosset\uc774 &#8216;Student&#8217;\ub77c\ub294 \ud544\uba85\uc73c\ub85c \ubc1c\ud45c\ud55c \uc790\ub8cc\uc5d0 \uae30\uc778\ud569\ub2c8\ub2e4. t-\ubd84\ud3ec\uc758 \ud2b9\uc131\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\ub300\uce6d\uc131:<\/strong> t-\ubd84\ud3ec\ub294 \uc815\uaddc \ubd84\ud3ec\uc640 \uac19\uc740 \ub300\uce6d\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ub450\uaebc\uc6b4 \uaf2c\ub9ac:<\/strong> t-\ubd84\ud3ec\ub294 \uc815\uaddc \ubd84\ud3ec\uc5d0 \ube44\ud574 \ub450\uaebc\uc6b4 \uaf2c\ub9ac\ub97c \uac00\uc9c0\uace0 \uc788\uc5b4 \uadf9\ub2e8\uc801\uc778 \uac12\uc5d0 \ub354 \ubbfc\uac10\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc790\uc720\ub3c4(degrees of freedom):<\/strong> t-\ubd84\ud3ec\ub294 \uc790\uc720\ub3c4\uc5d0 \ub530\ub77c \ud615\ud0dc\uac00 \ub2ec\ub77c\uc9c0\uba70, \uc790\uc720\ub3c4\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uc815\uaddc \ubd84\ud3ec\uc5d0 \uac00\uae4c\uc6cc\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>2. t-\uac80\uc815(t-Test)<\/h2>\n<p>t-\uac80\uc815\uc740 \uc8fc\ub85c \ub2e4\uc74c\uc758 \uc138 \uac00\uc9c0 \uc720\ud615\uc73c\ub85c \ubd84\ub958\ub429\ub2c8\ub2e4:<\/p>\n<ol>\n<li><strong>\ub2e8\uc77c\ud45c\ubcf8 t-\uac80\uc815 (One-Sample t-Test):<\/strong> \ud55c \uc9d1\ub2e8\uc758 \ud3c9\uade0\uc774 \uc8fc\uc5b4\uc9c4 \uac12\uacfc \ucc28\uc774\uac00 \uc788\ub294\uc9c0\ub97c \uac80\uc99d\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub3c5\ub9bd\ud45c\ubcf8 t-\uac80\uc815 (Independent Two-Sample t-Test):<\/strong> \ub450 \ub3c5\ub9bd\ub41c \uc9d1\ub2e8\uc758 \ud3c9\uade0\uc774 \ub3d9\uc77c\ud55c\uc9c0\ub97c \uac80\uc99d\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub300\uc751\ud45c\ubcf8 t-\uac80\uc815 (Paired Sample t-Test):<\/strong> \ub450 \uad00\ub828 \uc9d1\ub2e8\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \uac80\uc99d\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h3>2.1 \ub2e8\uc77c\ud45c\ubcf8 t-\uac80\uc815 (One-Sample t-Test)<\/h3>\n<p>\ub2e8\uc77c\ud45c\ubcf8 t-\uac80\uc815\uc740 \uad00\ucc30\ub41c \ud3c9\uade0\uc774 \uc8fc\uc5b4\uc9c4 \uac12(\ubaa8\uc9d1\ub2e8 \ud3c9\uade0)\uacfc \uc720\uc758\ubbf8\ud558\uac8c \ub2e4\ub978\uc9c0\ub97c \uac80\uc815\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uac00\uc124 \uc124\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uadc0\ubb34\uac00\uc124(H<sub>0<\/sub>): \u03bc = \u03bc<sub>0<\/sub> (\ubaa8\uc9d1\ub2e8 \ud3c9\uade0\uc774 \uc8fc\uc5b4\uc9c4 \uac12\uacfc \uac19\ub2e4)<\/li>\n<li>\ub300\ub9bd\uac00\uc124(H<sub>1<\/sub>): \u03bc \u2260 \u03bc<sub>0<\/sub> (\ubaa8\uc9d1\ub2e8 \ud3c9\uade0\uc774 \uc8fc\uc5b4\uc9c4 \uac12\uacfc \ub2e4\ub974\ub2e4)<\/li>\n<\/ul>\n<p>\ub2e8\uc77c\ud45c\ubcf8 t-\uac80\uc815\uc758 \uac80\uc815\ud1b5\uacc4\ub7c9(t)\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n<p style=\"text-align:center;\"><code>t = (X\u0304 - \u03bc<sub>0<\/sub>) \/ (s \/ \u221an)<\/code><\/p>\n<p>\uc5ec\uae30\uc11c,<\/p>\n<ul>\n<li>X\u0304\ub294 \ud45c\ubcf8 \ud3c9\uade0,<\/li>\n<li>\u03bc<sub>0<\/sub>\ub294 \ube44\uad50\ud558\uace0\uc790 \ud558\ub294 \ubaa8\uc9d1\ub2e8 \ud3c9\uade0,<\/li>\n<li>s\ub294 \ud45c\ubcf8\uc758 \ud45c\uc900\ud3b8\ucc28,<\/li>\n<li>n\uc740 \ud45c\ubcf8 \ud06c\uae30\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h4>\uc608\uc81c:<\/h4>\n<p>\uc5b4\ub5a4 \ud559\uad50\uc758 \ud559\uc0dd\ub4e4\uc758 \uc218\ud559 \uc2dc\ud5d8 \ud3c9\uade0 \uc810\uc218\uac00 75\uc810\uc774\ub77c\uace0 \uc54c\ub824\uc838 \uc788\uc2b5\ub2c8\ub2e4. 10\uba85\uc5d0 \ub300\ud55c \ud45c\ubcf8\uc744 \ucd94\ucd9c\ud55c \uacb0\uacfc, \ud3c9\uade0 \uc810\uc218\uac00 78\uc810\uc774\uace0 \ud45c\uc900\ud3b8\ucc28\uac00 10\uc810\uc774\uc5c8\ub2e4\uba74, \uc774 \ud45c\ubcf8\uc774 \ubaa8\uc9d1\ub2e8\uc758 \ud3c9\uade0\uacfc \ucc28\uc774\uac00 \uc788\ub294\uc9c0\ub97c \uac80\uc815\ud569\uc2dc\ub2e4.<\/p>\n<ol>\n<li>\uac00\uc124 \uc124\uc815<\/li>\n<ul>\n<li>\uadc0\ubb34\uac00\uc124: \u03bc = 75<\/li>\n<li>\ub300\ub9bd\uac00\uc124: \u03bc \u2260 75<\/li>\n<\/ul>\n<li>\uac80\uc815\ud1b5\uacc4\ub7c9 \uacc4\uc0b0<\/li>\n<p>\ud45c\ubcf8 \ud3c9\uade0(78), \ubaa8\uc9d1\ub2e8 \ud3c9\uade0(75), \ud45c\ubcf8 \ud45c\uc900\ud3b8\ucc28(10), \ud45c\ubcf8 \ud06c\uae30(10)\ub85c t \uac12\uc744 \uacc4\uc0b0\ud558\uba74:<\/p>\n<p style=\"text-align:center;\"><code>t = (78 - 75) \/ (10 \/ \u221a10) = 0.9487<\/code><\/p>\n<li>t-\ubd84\ud3ec\ud45c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc720\uc758\uc218\uc900 0.05\uc5d0\uc11c \uc790\uc720\ub3c4 9\uc5d0 \ud574\ub2f9\ud558\ub294 t-\uc784\uacc4\uac12\uc744 \ucc3e\uc2b5\ub2c8\ub2e4. \uc57d \u00b12.262\uc785\ub2c8\ub2e4.<\/li>\n<li>\uacb0\uacfc \ube44\uad50: |0.9487| &lt; 2.262\uc774\ubbc0\ub85c \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4. \uc989, \ud45c\ubcf8 \ud3c9\uade0\uc740 \ubaa8\uc9d1\ub2e8 \ud3c9\uade0\uacfc \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h3>2.2 \ub3c5\ub9bd\ud45c\ubcf8 t-\uac80\uc815 (Independent Two-Sample t-Test)<\/h3>\n<p>\ub3c5\ub9bd\ud45c\ubcf8 t-\uac80\uc815\uc740 \ub450 \uc9d1\ub2e8\uc774 \uc11c\ub85c \ub3c5\ub9bd\uc801\uc77c \ub54c \ud3c9\uade0\uc758 \ucc28\uc774\ub97c \uac80\uc815\ud569\ub2c8\ub2e4. \uac00\uc124 \uc124\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uadc0\ubb34\uac00\uc124(H<sub>0<\/sub>): \u03bc<sub>1<\/sub> = \u03bc<sub>2<\/sub> (\ub450 \uc9d1\ub2e8\uc758 \ud3c9\uade0\uc774 \uac19\ub2e4)<\/li>\n<li>\ub300\ub9bd\uac00\uc124(H<sub>1<\/sub>): \u03bc<sub>1<\/sub> \u2260 \u03bc<sub>2<\/sub> (\ub450 \uc9d1\ub2e8\uc758 \ud3c9\uade0\uc774 \ub2e4\ub974\ub2e4)<\/li>\n<\/ul>\n<p>\uac80\uc815\ud1b5\uacc4\ub7c9 t\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n<p style=\"text-align:center;\"><code>t = (X\u0304<sub>1<\/sub> - X\u0304<sub>2<\/sub>) \/ \u221a((s<sub>1<\/sub><sup>2<\/sup>\/n<sub>1<\/sub>) + (s<sub>2<\/sub><sup>2<\/sup>\/n<sub>2<\/sub>))<\/code><\/p>\n<p>\uc5ec\uae30\uc11c,<\/p>\n<ul>\n<li>X\u0304<sub>1<\/sub>\uacfc X\u0304<sub>2<\/sub>\ub294 \uac01\uac01\uc758 \ud45c\ubcf8 \ud3c9\uade0,<\/li>\n<li>s<sub>1<\/sub>\uacfc s<sub>2<\/sub>\ub294 \uac01\uac01\uc758 \ud45c\ubcf8 \ud45c\uc900\ud3b8\ucc28,<\/li>\n<li>n<sub>1<\/sub>\uacfc n<sub>2<\/sub>\ub294 \uac01\uac01\uc758 \ud45c\ubcf8 \ud06c\uae30\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h4>\uc608\uc81c:<\/h4>\n<p>\ub450 \ud559\uad50\uc758 \ud559\uc0dd\ub4e4\uc758 \uc218\ud559 \uc2dc\ud5d8 \uc810\uc218\ub97c \ube44\uad50\ud558\uace0\uc790 \ud569\ub2c8\ub2e4. \ud559\uad50 A\uc5d0\uc11c 12\uba85\uc758 \ud559\uc0dd \ud3c9\uade0 \uc810\uc218\uac00 82\uc810, \ud45c\uc900\ud3b8\ucc28 8\uc810\uc774\uace0, \ud559\uad50 B\uc5d0\uc11c 14\uba85\uc758 \ud559\uc0dd \ud3c9\uade0 \uc810\uc218\uac00 78\uc810, \ud45c\uc900\ud3b8\ucc28 6\uc810\uc785\ub2c8\ub2e4. \ub450 \ud559\uad50\uc758 \ud3c9\uade0 \uc810\uc218\uac00 \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uac80\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\uac00\uc124 \uc124\uc815<\/li>\n<ul>\n<li>\uadc0\ubb34\uac00\uc124: \u03bc<sub>A<\/sub> = \u03bc<sub>B<\/sub><\/li>\n<li>\ub300\ub9bd\uac00\uc124: \u03bc<sub>A<\/sub> \u2260 \u03bc<sub>B<\/sub><\/li>\n<\/ul>\n<li>\uac80\uc815\ud1b5\uacc4\ub7c9 \uacc4\uc0b0<\/li>\n<p>\ud45c\ubcf8 \ud3c9\uade0, \ud45c\uc900\ud3b8\ucc28, \ud45c\ubcf8 \ud06c\uae30\ub85c t \uac12\uc744 \uacc4\uc0b0\ud558\uba74:<\/p>\n<p style=\"text-align:center;\"><code>t = (82 - 78) \/ \u221a((8<sup>2<\/sup>\/12) + (6<sup>2<\/sup>\/14)) = 1.667<\/code><\/p>\n<li>t-\ubd84\ud3ec\ud45c\ub97c \uc0ac\uc6a9\ud574 \uc790\uc720\ub3c4 24(12+14-2)\uc5d0\uc11c \uc720\uc758\uc218\uc900 0.05\uc5d0 \ud574\ub2f9\ud558\ub294 t-\uc784\uacc4\uac12 \uc57d \u00b12.064\uc744 \ucc3e\uc544 \ube44\uad50\ud569\ub2c8\ub2e4.<\/li>\n<li>\uacb0\uacfc \ube44\uad50: |1.667| &lt; 2.064\uc774\ubbc0\ub85c \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4. \uc989, \ub450 \ud559\uad50\uc758 \ud3c9\uade0 \uc810\uc218\ub294 \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc5c6\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h3>2.3 \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815 (Paired Sample t-Test)<\/h3>\n<p>\ub300\uc751\ud45c\ubcf8 t-\uac80\uc815\uc740 \uac19\uc740 \uc9d1\ub2e8\uc758 \ub450 \uc2dc\uc810\uc5d0\uc11c\uc758 \uce21\uc815\uac12\uc744 \ube44\uad50\ud560 \ub54c \uc0ac\uc6a9\ub418\uba70, \uc608\ub97c \ub4e4\uc5b4 \uac19\uc740 \ud559\uc0dd\ub4e4\uc758 \uc2dc\ud5d8 \uc804\uacfc \ud6c4\uc758 \uc810\uc218\ub97c \ube44\uad50\ud558\ub294 \uacbd\uc6b0\uc785\ub2c8\ub2e4. \uac00\uc124 \uc124\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uadc0\ubb34\uac00\uc124(H<sub>0<\/sub>): \u03bc<sub{d}< sub=\"\"> = 0 (\ub450 \uc9d1\ub2e8\uc758 \ud3c9\uade0 \ucc28\uc774\uac00 \uc5c6\ub2e4)<\/sub{d}<><\/li>\n<li>\ub300\ub9bd\uac00\uc124(H<sub>1<\/sub>): \u03bc<sub{d}< sub=\"\"> \u2260 0 (\ub450 \uc9d1\ub2e8\uc758 \ud3c9\uade0 \ucc28\uc774\uac00 \uc788\ub2e4)<\/sub{d}<><\/li>\n<\/ul>\n<p>\uac80\uc815\ud1b5\uacc4\ub7c9 t\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n<p style=\"text-align:center;\"><code>t = (X\u0304<sub>d<\/sub> - 0) \/ (s<sub>d<\/sub> \/ \u221an)<\/code><\/p>\n<p>\uc5ec\uae30\uc11c,<\/p>\n<ul>\n<li>X\u0304<sub>d<\/sub>\ub294 \ucc28\uc774\uc758 \ud3c9\uade0,<\/li>\n<li>s<sub>d<\/sub>\ub294 \ucc28\uc774\uc758 \ud45c\uc900\ud3b8\ucc28,<\/li>\n<li>n\uc740 \uc30d\uc758 \uc218\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h4>\uc608\uc81c:<\/h4>\n<p>10\uba85\uc758 \ud559\uc0dd\uc774 \uc2dc\ud5d8\uc744 \uce58\ub800\uc2b5\ub2c8\ub2e4. \uac01 \ud559\uc0dd\uc758 \uc810\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4: [60, 65, 70, 75, 80, 85, 90, 95, 100, 105]. \uc2dc\ud5d8 \ud6c4 \uac01 \ud559\uc0dd\uc758 \uc810\uc218\uac00 [62, 67, 72, 78, 83, 88, 92, 96, 102, 107]\ub85c \uc99d\uac00\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc774 \ucc28\uc774\uac00 \uc720\uc758\ubbf8\ud55c\uc9c0\ub97c \uac80\uc99d\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<ol>\n<li>\uac00\uc124 \uc124\uc815<\/li>\n<ul>\n<li>\uadc0\ubb34\uac00\uc124: \u03bc<sub>d<\/sub> = 0<\/li>\n<li>\ub300\ub9bd\uac00\uc124: \u03bc<sub>d<\/sub> \u2260 0<\/li>\n<\/ul>\n<li>\ucc28\uc774 \uacc4\uc0b0 \ubc0f \ud1b5\uacc4\ub7c9 \uacc4\uc0b0<\/li>\n<p>\uac01 \ud559\uc0dd\uc758 \uc810\uc218 \ucc28\uc774\ub294: [2, 2, 2, 3, 3, 3, 2, 1, 2, 2]\uc785\ub2c8\ub2e4. \uc774 \ucc28\uc774\uc758 \ud3c9\uade0\uacfc \ud45c\uc900\ud3b8\ucc28\ub97c \uacc4\uc0b0\ud558\uc5ec t \uac12\uc744 \uad6c\ud558\uba74:<\/p>\n<p style=\"text-align:center;\"><code>X\u0304<sub>d<\/sub> = 2.2, s<sub>d<\/sub> = 0.836, n = 10<\/code><\/p>\n<p style=\"text-align:center;\"><code>t = (2.2 - 0) \/ (0.836 \/ \u221a10) = 7.32<\/code><\/p>\n<li>t-\ubd84\ud3ec\ud45c\ub97c \uc0ac\uc6a9\ud574 \uc790\uc720\ub3c4 9\uc5d0\uc11c \uc720\uc758\uc218\uc900 0.05\uc5d0 \ud574\ub2f9\ud558\ub294 t-\uc784\uacc4\uac12 \uc57d \u00b12.262\uc744 \ucc3e\uc544 \ube44\uad50\ud569\ub2c8\ub2e4.<\/li>\n<li>\uacb0\uacfc \ube44\uad50: |7.32| &gt; 2.262\uc774\ubbc0\ub85c \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud569\ub2c8\ub2e4. \uc989, \ub450 \uc810\uc218 \uac04\uc758 \ucc28\uc774\ub294 \uc720\uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>3. \uacb0\ub860<\/h2>\n<p>t-\ubd84\ud3ec\uc640 t-\uac80\uc815\uc740 \ud1b5\uacc4\ud559\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \uac1c\ub150\uc785\ub2c8\ub2e4. \uc0d8\ud50c \ud06c\uae30\uac00 \uc791\uace0 \ubaa8\uc9d1\ub2e8\uc758 \ubd84\uc0b0\uc774 \uc54c\ub824\uc838 \uc788\uc9c0 \uc54a\uc740 \uacbd\uc6b0\uc5d0 \uc801\ud569\ud558\uba70, \ud45c\ubcf8\uc758 \ud3c9\uade0\uc744 \uae30\uc900\uc73c\ub85c \ubaa8\uc9d1\ub2e8\uc758 \ud3c9\uade0\uc744 \ube44\uad50\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815 \ubaa8\ub450 \ub370\uc774\ud130\uc758 \ud2b9\uc131\uacfc \uc5f0\uad6c\uc758 \ubaa9\uc801\uc5d0 \ub530\ub77c \uc801\uc808\ud558\uac8c \uc120\ud0dd\ud558\uc5ec \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc5f0\uad6c\uc790\ub4e4\uc740 \uc62c\ubc14\ub978 \uacb0\ub860\uc744 \ub3c4\ucd9c\ud560 \uc218 \uc788\uc73c\uba70, \ud1b5\uacc4\uc801 \uc758\uc0ac\uacb0\uc815\uc744 \uc9c0\uc6d0\ud558\ub294 \uac15\ub825\ud55c \ub3c4\uad6c\ub85c \ud65c\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud1b5\uacc4\ud559\uc5d0\uc11c t-\ubd84\ud3ec\ub294 \ubd84\uc0b0\uc774 \uc54c\ub824\uc838 \uc788\uc9c0 \uc54a\uc740 \uc815\uaddc \ubd84\ud3ec\uc5d0\uc11c \ud45c\ubcf8\uc758 \ud3c9\uade0\uc744 \ubd84\uc11d\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. t-\ubd84\ud3ec\ub294 \uc0d8\ud50c \ud06c\uae30\uac00 \uc791\uc744 \ub54c(\uc989, n &lt; 30) \uc0ac\uc6a9\ub418\uba70, \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \ucee4\uc9c8\uc218\ub85d \uc815\uaddc \ubd84\ud3ec\uc5d0 \uac00\uae4c\uc6cc\uc9c0\ub294 \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. t-\uac80\uc815\uc740 \ub450 \uc9d1\ub2e8 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \ube44\uad50\ud558\ub294 \ubc29\ubc95\uc73c\ub85c, \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc744 \uace0\ub824\ud558\uc5ec \uac80\uc815 \ud1b5\uacc4\ub7c9\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. 1. t-\ubd84\ud3ec(t-Distribution) t-\ubd84\ud3ec\ub294 \ud559\uc0dd\uc758 t-\ubd84\ud3ec\ub77c\uace0\ub3c4 \uc54c\ub824\uc838 \uc788\uc73c\uba70, W.S. &hellip; <a href=\"https:\/\/atmokpo.com\/w\/40808\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[219],"tags":[],"class_list":["post-40808","post","type-post","status-publish","format-standard","hentry","category-219"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/atmokpo.com\/w\/40808\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"\ud1b5\uacc4\ud559\uc5d0\uc11c t-\ubd84\ud3ec\ub294 \ubd84\uc0b0\uc774 \uc54c\ub824\uc838 \uc788\uc9c0 \uc54a\uc740 \uc815\uaddc \ubd84\ud3ec\uc5d0\uc11c \ud45c\ubcf8\uc758 \ud3c9\uade0\uc744 \ubd84\uc11d\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. t-\ubd84\ud3ec\ub294 \uc0d8\ud50c \ud06c\uae30\uac00 \uc791\uc744 \ub54c(\uc989, n &lt; 30) \uc0ac\uc6a9\ub418\uba70, \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \ucee4\uc9c8\uc218\ub85d \uc815\uaddc \ubd84\ud3ec\uc5d0 \uac00\uae4c\uc6cc\uc9c0\ub294 \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. t-\uac80\uc815\uc740 \ub450 \uc9d1\ub2e8 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \ube44\uad50\ud558\ub294 \ubc29\ubc95\uc73c\ub85c, \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc744 \uace0\ub824\ud558\uc5ec \uac80\uc815 \ud1b5\uacc4\ub7c9\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. 1. t-\ubd84\ud3ec(t-Distribution) t-\ubd84\ud3ec\ub294 \ud559\uc0dd\uc758 t-\ubd84\ud3ec\ub77c\uace0\ub3c4 \uc54c\ub824\uc838 \uc788\uc73c\uba70, W.S. &hellip; \ub354 \ubcf4\uae30 &quot;35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815&quot;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/atmokpo.com\/w\/40808\/\" \/>\n<meta property=\"og:site_name\" content=\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-04T12:20:34+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-11-26T06:38:23+00:00\" \/>\n<meta name=\"author\" content=\"root\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:site\" content=\"@bebubo4\" \/>\n<meta name=\"twitter:label1\" content=\"\uae00\uc4f4\uc774\" \/>\n\t<meta name=\"twitter:data1\" content=\"root\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/atmokpo.com\/w\/40808\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/40808\/\"},\"author\":{\"name\":\"root\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\"},\"headline\":\"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815\",\"datePublished\":\"2024-11-04T12:20:34+00:00\",\"dateModified\":\"2024-11-26T06:38:23+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/atmokpo.com\/w\/40808\/\"},\"wordCount\":85,\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"articleSection\":[\"\ud1b5\uacc4\ud559\"],\"inLanguage\":\"ko-KR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/atmokpo.com\/w\/40808\/\",\"url\":\"https:\/\/atmokpo.com\/w\/40808\/\",\"name\":\"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\",\"isPartOf\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#website\"},\"datePublished\":\"2024-11-04T12:20:34+00:00\",\"dateModified\":\"2024-11-26T06:38:23+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/atmokpo.com\/w\/40808\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/atmokpo.com\/w\/40808\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/atmokpo.com\/w\/40808\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\ud648\",\"item\":\"https:\/\/atmokpo.com\/w\/en\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/atmokpo.com\/w\/#website\",\"url\":\"https:\/\/atmokpo.com\/w\/\",\"name\":\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/atmokpo.com\/w\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/atmokpo.com\/w\/#organization\",\"name\":\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\",\"url\":\"https:\/\/atmokpo.com\/w\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png\",\"contentUrl\":\"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png\",\"width\":400,\"height\":400,\"caption\":\"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\"},\"image\":{\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/x.com\/bebubo4\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7\",\"name\":\"root\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/atmokpo.com\/w\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g\",\"caption\":\"root\"},\"sameAs\":[\"http:\/\/atmokpo.com\/w\"],\"url\":\"https:\/\/atmokpo.com\/w\/author\/root\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/atmokpo.com\/w\/40808\/","og_locale":"ko_KR","og_type":"article","og_title":"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","og_description":"\ud1b5\uacc4\ud559\uc5d0\uc11c t-\ubd84\ud3ec\ub294 \ubd84\uc0b0\uc774 \uc54c\ub824\uc838 \uc788\uc9c0 \uc54a\uc740 \uc815\uaddc \ubd84\ud3ec\uc5d0\uc11c \ud45c\ubcf8\uc758 \ud3c9\uade0\uc744 \ubd84\uc11d\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. t-\ubd84\ud3ec\ub294 \uc0d8\ud50c \ud06c\uae30\uac00 \uc791\uc744 \ub54c(\uc989, n &lt; 30) \uc0ac\uc6a9\ub418\uba70, \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \ucee4\uc9c8\uc218\ub85d \uc815\uaddc \ubd84\ud3ec\uc5d0 \uac00\uae4c\uc6cc\uc9c0\ub294 \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc2b5\ub2c8\ub2e4. t-\uac80\uc815\uc740 \ub450 \uc9d1\ub2e8 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \ube44\uad50\ud558\ub294 \ubc29\ubc95\uc73c\ub85c, \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc744 \uace0\ub824\ud558\uc5ec \uac80\uc815 \ud1b5\uacc4\ub7c9\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4. 1. t-\ubd84\ud3ec(t-Distribution) t-\ubd84\ud3ec\ub294 \ud559\uc0dd\uc758 t-\ubd84\ud3ec\ub77c\uace0\ub3c4 \uc54c\ub824\uc838 \uc788\uc73c\uba70, W.S. &hellip; \ub354 \ubcf4\uae30 \"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815\"","og_url":"https:\/\/atmokpo.com\/w\/40808\/","og_site_name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","article_published_time":"2024-11-04T12:20:34+00:00","article_modified_time":"2024-11-26T06:38:23+00:00","author":"root","twitter_card":"summary_large_image","twitter_creator":"@bebubo4","twitter_site":"@bebubo4","twitter_misc":{"\uae00\uc4f4\uc774":"root"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/atmokpo.com\/w\/40808\/#article","isPartOf":{"@id":"https:\/\/atmokpo.com\/w\/40808\/"},"author":{"name":"root","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7"},"headline":"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815","datePublished":"2024-11-04T12:20:34+00:00","dateModified":"2024-11-26T06:38:23+00:00","mainEntityOfPage":{"@id":"https:\/\/atmokpo.com\/w\/40808\/"},"wordCount":85,"publisher":{"@id":"https:\/\/atmokpo.com\/w\/#organization"},"articleSection":["\ud1b5\uacc4\ud559"],"inLanguage":"ko-KR"},{"@type":"WebPage","@id":"https:\/\/atmokpo.com\/w\/40808\/","url":"https:\/\/atmokpo.com\/w\/40808\/","name":"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815 - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","isPartOf":{"@id":"https:\/\/atmokpo.com\/w\/#website"},"datePublished":"2024-11-04T12:20:34+00:00","dateModified":"2024-11-26T06:38:23+00:00","breadcrumb":{"@id":"https:\/\/atmokpo.com\/w\/40808\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/atmokpo.com\/w\/40808\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/atmokpo.com\/w\/40808\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\ud648","item":"https:\/\/atmokpo.com\/w\/en\/"},{"@type":"ListItem","position":2,"name":"35.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), \ub2e8\uc77c\ud45c\ubcf8, \ub3c5\ub9bd\ud45c\ubcf8, \ub300\uc751\ud45c\ubcf8 t-\uac80\uc815"}]},{"@type":"WebSite","@id":"https:\/\/atmokpo.com\/w\/#website","url":"https:\/\/atmokpo.com\/w\/","name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","description":"","publisher":{"@id":"https:\/\/atmokpo.com\/w\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/atmokpo.com\/w\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ko-KR"},{"@type":"Organization","@id":"https:\/\/atmokpo.com\/w\/#organization","name":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8","url":"https:\/\/atmokpo.com\/w\/","logo":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/","url":"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png","contentUrl":"https:\/\/atmokpo.com\/w\/wp-content\/uploads\/2024\/11\/logo.png","width":400,"height":400,"caption":"\ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8"},"image":{"@id":"https:\/\/atmokpo.com\/w\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/x.com\/bebubo4"]},{"@type":"Person","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/91b6b3b138fbba0efb4ae64b1abd81d7","name":"root","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/atmokpo.com\/w\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/708197b41fc6435a7ce22d951b25d4a47e9e904270cb1f04682d4f025066f80c?s=96&d=mm&r=g","caption":"root"},"sameAs":["http:\/\/atmokpo.com\/w"],"url":"https:\/\/atmokpo.com\/w\/author\/root\/"}]}},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":40782,"url":"https:\/\/atmokpo.com\/w\/40782\/","url_meta":{"origin":40808,"position":0},"title":"39.F-\uac80\uc815(F-Test)\uacfc \ubd84\uc0b0\ubd84\uc11d(ANOVA), \uc77c\uc6d0\ubd84\uc0b0\ubd84\uc11d\uacfc \uc774\uc6d0\ubd84\uc0b0\ubd84\uc11d\uc758 \ucc28\uc774\uc810","author":"root","date":"2024\ub144 11\uc6d4 04\uc77c","format":false,"excerpt":"\ud1b5\uacc4\ud559\uc5d0\uc11c F-\uac80\uc815(F-Test)\uacfc \ubd84\uc0b0\ubd84\uc11d(ANOVA)\uc740 \ub450 \uac1c \uc774\uc0c1\uc758 \uc9d1\ub2e8\uc758 \ud3c9\uade0\uc744 \ube44\uad50\ud558\ub294 \uc911\uc694\ud55c \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774 \uae00\uc5d0\uc11c\ub294 F-\uac80\uc815\uc758 \uac1c\ub150\uacfc \uadf8 \uc6d0\ub9ac, \uadf8\ub9ac\uace0 \ubd84\uc0b0\ubd84\uc11d\uc758 \ub450 \uac00\uc9c0 \uc8fc\uc694 \ud615\ud0dc\uc778 \uc77c\uc6d0\ubd84\uc0b0\ubd84\uc11d(One-Way ANOVA)\uacfc \uc774\uc6d0\ubd84\uc0b0\ubd84\uc11d(Two-Way ANOVA)\uc744 \uc124\uba85\ud558\uace0, \uc774\ub4e4 \uc0ac\uc774\uc758 \ucc28\uc774\uc810\uc5d0 \ub300\ud574 \ub17c\uc758\ud558\uaca0\uc2b5\ub2c8\ub2e4. 1. F-\uac80\uc815(F-Test)\uc758 \uac1c\uc694 F-\uac80\uc815\uc740 \uc9d1\ub2e8 \uac04\uc758 \ubd84\uc0b0 \ucc28\uc774\ub97c \ube44\uad50\ud558\uc5ec \ub450 \uac1c \uc774\uc0c1\uc758 \uc9d1\ub2e8\uc758 \ud3c9\uade0\uc774 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud558\uac8c \ucc28\uc774\uac00\u2026","rel":"","context":"&quot;\ud1b5\uacc4\ud559&quot;\uc5d0\uc11c","block_context":{"text":"\ud1b5\uacc4\ud559","link":"https:\/\/atmokpo.com\/w\/category\/%ed%86%b5%ea%b3%84%ed%95%99\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":28890,"url":"https:\/\/atmokpo.com\/w\/28890\/","url_meta":{"origin":40808,"position":1},"title":"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, \ub2e8\uc704\uadfc\uc758 \ucc98\ub9ac \ubc29\ubc95","author":"root","date":"2024\ub144 10\uc6d4 27\uc77c","format":false,"excerpt":"1. \uc11c\ub860 \ucd5c\uadfc \uba87 \ub144\uac04 \uae08\uc735 \uc2dc\uc7a5\uc5d0\uc11c\ub294 \uba38\uc2e0\ub7ec\ub2dd(Machine Learning)\uacfc \ub525\ub7ec\ub2dd(Deep Learning)\uc744 \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc774 \uae09\uaca9\ud788 \uc131\uc7a5\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uc220\ub4e4\uc740 \ub300\ub7c9\uc758 \ub370\uc774\ud130\ub97c \ube60\ub974\uac8c \ubd84\uc11d\ud558\uace0, \ud328\ud134\uc744 \uc2dd\ubcc4\ud558\uc5ec \ud22c\uc790 \uacb0\uc815\uc744 \ub0b4\ub9ac\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uae08\uc735 \ub370\uc774\ud130\uc758 \ud2b9\uc131\uc0c1 \ub2e8\uc704\uadfc(Stationarity) \ubb38\uc81c\ub294 \ud56d\uc0c1 \uace0\ub824\ud574\uc57c \ud560 \uc911\uc694\ud55c \uc694\uc18c\uc785\ub2c8\ub2e4. \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998\uc744\u2026","rel":"","context":"&quot;\ub525\ub7ec\ub2dd \uba38\uc2e0\ub7ec\ub2dd \uc790\ub3d9 \ud2b8\ub808\uc774\ub529&quot;\uc5d0\uc11c","block_context":{"text":"\ub525\ub7ec\ub2dd \uba38\uc2e0\ub7ec\ub2dd \uc790\ub3d9 \ud2b8\ub808\uc774\ub529","link":"https:\/\/atmokpo.com\/w\/category\/%eb%94%a5%eb%9f%ac%eb%8b%9d-%eb%a8%b8%ec%8b%a0%eb%9f%ac%eb%8b%9d-%ec%9e%90%eb%8f%99-%ed%8a%b8%eb%a0%88%ec%9d%b4%eb%94%a9\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":29465,"url":"https:\/\/atmokpo.com\/w\/29465\/","url_meta":{"origin":40808,"position":2},"title":"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, \ud45c\ubcf8 \uc678 \uc218\uc775\ub960\ub85c \uc804\uc9c4 \ubd84\uc11d","author":"root","date":"2024\ub144 10\uc6d4 27\uc77c","format":false,"excerpt":"\ucd5c\uadfc \uba87 \ub144 \uac04 \uc778\uacf5\uc9c0\ub2a5 \uae30\uc220\uc740 \uae08\uc735 \uc2dc\uc7a5\uc5d0\uc11c\uc758 \ud2b8\ub808\uc774\ub529 \ubc29\uc2dd\uc5d0 \ud601\uc2e0\uc744 \uac00\uc838\uc654\uc2b5\ub2c8\ub2e4. \uba38\uc2e0\ub7ec\ub2dd\uacfc \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998\uc744 \ud65c\uc6a9\ud55c \uc790\ub3d9\ub9e4\ub9e4 \uc2dc\uc2a4\ud15c\uc740 \ub9ce\uc740 \ud22c\uc790\uc790\uc640 \ud000\ud2b8\ub4e4\uc774 \uc801\uc6a9\ud558\uace0 \uc788\uc73c\uba70, \uadf8 \uac00\ub2a5\uc131\uc740 \ubb34\uad81\ubb34\uc9c4\ud569\ub2c8\ub2e4. \ubcf8 \uae00\uc5d0\uc11c\ub294 \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \uae30\ucd08\ubd80\ud130 \uace0\uae09 \uc8fc\uc81c\uc778 \ud45c\ubcf8 \uc678 \uc218\uc775\ub960 \ubd84\uc11d(Out-of-Sample Return Analysis)\uae4c\uc9c0\ub97c \uc2ec\ub3c4 \uae4a\uac8c \ub2e4\ub8e8\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\u2026","rel":"","context":"&quot;\ub525\ub7ec\ub2dd \uba38\uc2e0\ub7ec\ub2dd \uc790\ub3d9 \ud2b8\ub808\uc774\ub529&quot;\uc5d0\uc11c","block_context":{"text":"\ub525\ub7ec\ub2dd \uba38\uc2e0\ub7ec\ub2dd \uc790\ub3d9 \ud2b8\ub808\uc774\ub529","link":"https:\/\/atmokpo.com\/w\/category\/%eb%94%a5%eb%9f%ac%eb%8b%9d-%eb%a8%b8%ec%8b%a0%eb%9f%ac%eb%8b%9d-%ec%9e%90%eb%8f%99-%ed%8a%b8%eb%a0%88%ec%9d%b4%eb%94%a9\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":28870,"url":"https:\/\/atmokpo.com\/w\/28870\/","url_meta":{"origin":40808,"position":3},"title":"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, \ub098\uc774\ube0c \ubca0\uc774\uc988 \ubd84\ub958\uae30","author":"root","date":"2024\ub144 10\uc6d4 27\uc77c","format":false,"excerpt":"\uc791\uc131\uc790: \uc870\uad11\ud615 \uc791\uc131\uc77c: 2024\ub144 11\uc6d4 26\uc77c 1. \uc11c\ub860 \ubcf8 \uae00\uc5d0\uc11c\ub294 \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd\uc744 \ud65c\uc6a9\ud55c \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529\uc758 \ud55c \ubc29\ubc95\uc778 \ub098\uc774\ube0c \ubca0\uc774\uc988 \ubd84\ub958\uae30\uc5d0 \ub300\ud574 \uae4a\uc774 \uc788\uac8c \ub2e4\ub8e8\uace0\uc790 \ud569\ub2c8\ub2e4. \ucd5c\uadfc \uae08\uc735 \uc2dc\uc7a5\uc740 \ub370\uc774\ud130\uc758 \uc591\uacfc \ubcf5\uc7a1\uc131\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uc774\uc804\uacfc\ub294 \ub2e4\ub978 \uc0c8\ub85c\uc6b4 \uc811\uadfc \ubc29\uc2dd\uc774 \uc694\uad6c\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uba38\uc2e0\ub7ec\ub2dd\uc740 \uc608\uce21 \ubd84\uc11d \ubc0f \uc758\uc0ac \uacb0\uc815 \uacfc\uc815\uc5d0\uc11c \uac15\ub825\ud55c \ub3c4\uad6c\ub85c\u2026","rel":"","context":"&quot;\ub525\ub7ec\ub2dd \uba38\uc2e0\ub7ec\ub2dd \uc790\ub3d9 \ud2b8\ub808\uc774\ub529&quot;\uc5d0\uc11c","block_context":{"text":"\ub525\ub7ec\ub2dd \uba38\uc2e0\ub7ec\ub2dd \uc790\ub3d9 \ud2b8\ub808\uc774\ub529","link":"https:\/\/atmokpo.com\/w\/category\/%eb%94%a5%eb%9f%ac%eb%8b%9d-%eb%a8%b8%ec%8b%a0%eb%9f%ac%eb%8b%9d-%ec%9e%90%eb%8f%99-%ed%8a%b8%eb%a0%88%ec%9d%b4%eb%94%a9\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":40266,"url":"https:\/\/atmokpo.com\/w\/40266\/","url_meta":{"origin":40808,"position":4},"title":"13.\uc544\uc778\uc288\ud0c0\uc778\uc758 \uc0c1\ub300\uc131 \uc774\ub860, \uc2dc\uac04 \uc9c0\uc5f0\uacfc \uae38\uc774 \uc218\ucd95","author":"root","date":"2024\ub144 11\uc6d4 03\uc77c","format":false,"excerpt":"\uc544\uc778\uc288\ud0c0\uc778\uc758 \uc0c1\ub300\uc131 \uc774\ub860\uc740 20\uc138\uae30 \ucd08 \ubb3c\ub9ac\ud559\uc758 \ud601\uba85\uc744 \uac00\uc838\uc628 \uc911\uc694\ud55c \uc774\ub860\uc785\ub2c8\ub2e4. \uc774 \uc774\ub860\uc740 \ub450 \uac00\uc9c0 \uc8fc\uc694 \ubd80\ubd84\uc73c\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4: \ud2b9\uc218 \uc0c1\ub300\uc131 \uc774\ub860\uacfc \uc77c\ubc18 \uc0c1\ub300\uc131 \uc774\ub860. \ud2b9\uc218 \uc0c1\ub300\uc131 \uc774\ub860\uc740 1905\ub144\uc5d0 \ubc1c\ud45c\ub418\uc5c8\uc73c\uba70, \uc8fc\ub85c \uace0\uc18d\uc73c\ub85c \uc774\ub3d9\ud558\ub294 \ubb3c\uccb4\uc758 \ubb3c\ub9ac\uc801 \ud2b9\uc131\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4. \uc774 \uc774\ub860\uc5d0\uc11c \uac00\uc7a5 \ud765\ubbf8\ub85c\uc6b4 \ub450 \uac00\uc9c0 \ud604\uc0c1\uc740 \uc2dc\uac04 \uc9c0\uc5f0(Time Dilation)\uacfc \uae38\uc774 \uc218\ucd95(Length\u2026","rel":"","context":"&quot;\ubb3c\ub9ac&quot;\uc5d0\uc11c","block_context":{"text":"\ubb3c\ub9ac","link":"https:\/\/atmokpo.com\/w\/category\/%eb%ac%bc%eb%a6%ac\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":29073,"url":"https:\/\/atmokpo.com\/w\/29073\/","url_meta":{"origin":40808,"position":5},"title":"\uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd \uc54c\uace0\ub9ac\uc998 \ud2b8\ub808\uc774\ub529, \uc0ac\uc774\ud0b7\ub7f0\uc744 \uc774\uc6a9\ud55c \uc120\ud615 OLS \ud68c\uadc0","author":"root","date":"2024\ub144 10\uc6d4 27\uc77c","format":false,"excerpt":"\ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \uae08\uc735 \uc2dc\uc7a5\uc5d0\uc11c\uc758 \ub370\uc774\ud130 \uae30\ubc18\uc758 \uacb0\uc815\uacfc\uc815\uc744 \uadf9\ub300\ud654\ud558\uae30 \uc704\ud574 \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd\uc744 \uc5b4\ub5bb\uac8c \ud65c\uc6a9\ud558\ub294\uc9c0\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud2b9\ud788, \uc120\ud615 \ud68c\uadc0 \ubaa8\ub378\uc778 OLS (Ordinary Least Squares)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc8fc\uc2dd \uac00\uaca9 \uc608\uce21\uc744 \uc704\ud55c \uae30\ucd08\uc801\uc778 \uc811\uadfc \ubc29\uc2dd\uc744 \uc81c\uc2dc\ud560 \uac83\uc785\ub2c8\ub2e4. \ub610\ud55c, Python\uc758 \uc0ac\uc774\ud0b7\ub7f0(Scikit-learn) \ub77c\uc774\ube0c\ub7ec\ub9ac\ub97c \uc774\uc6a9\ud558\uc5ec \uc2e4\uc6a9\uc801\uc778 \uc608\uc81c\ub97c \ud1b5\ud574 \uc774\ub860\uc744 \uad6c\uccb4\ud654\ud560 \uac83\uc785\ub2c8\ub2e4. 1. \uba38\uc2e0\ub7ec\ub2dd \ubc0f \ub525\ub7ec\ub2dd\uc758 \uae30\ucd08\u2026","rel":"","context":"&quot;\ub525\ub7ec\ub2dd \uba38\uc2e0\ub7ec\ub2dd \uc790\ub3d9 \ud2b8\ub808\uc774\ub529&quot;\uc5d0\uc11c","block_context":{"text":"\ub525\ub7ec\ub2dd \uba38\uc2e0\ub7ec\ub2dd \uc790\ub3d9 \ud2b8\ub808\uc774\ub529","link":"https:\/\/atmokpo.com\/w\/category\/%eb%94%a5%eb%9f%ac%eb%8b%9d-%eb%a8%b8%ec%8b%a0%eb%9f%ac%eb%8b%9d-%ec%9e%90%eb%8f%99-%ed%8a%b8%eb%a0%88%ec%9d%b4%eb%94%a9\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts\/40808","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/comments?post=40808"}],"version-history":[{"count":1,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts\/40808\/revisions"}],"predecessor-version":[{"id":40809,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/posts\/40808\/revisions\/40809"}],"wp:attachment":[{"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/media?parent=40808"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/categories?post=40808"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/atmokpo.com\/w\/wp-json\/wp\/v2\/tags?post=40808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}