{"id":40830,"date":"2024-11-04T12:20:39","date_gmt":"2024-11-04T12:20:39","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=40830"},"modified":"2024-11-26T06:38:20","modified_gmt":"2024-11-26T06:38:20","slug":"36-t-%eb%b6%84%ed%8f%act-distribution%ec%99%80-t-%ea%b2%80%ec%a0%95t-test-t-%eb%b6%84%ed%8f%ac%ec%9d%98-%ed%8a%b9%ec%a7%95%ea%b3%bc-%ea%b2%80%ec%a0%95-%ea%b2%b0%ea%b3%bc-%ed%95%b4%ec%84%9d","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/40830\/","title":{"rendered":"36.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), t-\ubd84\ud3ec\uc758 \ud2b9\uc9d5\uacfc \uac80\uc815 \uacb0\uacfc \ud574\uc11d"},"content":{"rendered":"<h2>1. \uc18c\uac1c<\/h2>\n<p>\ud1b5\uacc4\ud559\uc5d0\uc11c t-\ubd84\ud3ec\ub294 \ud2b9\ud788 \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \uc791\uc744 \ub54c \uc0ac\uc6a9\ub418\ub294 \uc911\uc694\ud55c \ud655\ub960 \ubd84\ud3ec\uc785\ub2c8\ub2e4. \uc774\ub294 \uc815\uaddc\ubd84\ud3ec\uc640 \uc720\uc0ac\ud558\uc9c0\ub9cc, \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ud074 \ub54c \ub354\uc6b1 \ub450\ub4dc\ub7ec\uc9c0\uba70, \ub530\ub77c\uc11c \uc791\uc740 \ud45c\ubcf8\uc73c\ub85c\ubd80\ud130\uc758 \ucd94\ub860\uc5d0 \uc788\uc5b4 \ud544\uc218\uc801\uc778 \ub3c4\uad6c\uac00 \ub429\ub2c8\ub2e4. t-\uac80\uc815\uc740 \ub450 \uc9d1\ub2e8 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \uac80\uc815\ud558\ub294 \ubc29\ubc95 \uc911 \ud558\ub098\ub85c, \uc774 t-\ubd84\ud3ec\ub97c \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n<h2>2. t-\ubd84\ud3ec\uc758 \uac1c\uc694<\/h2>\n<p>t-\ubd84\ud3ec\ub294 \ub3c5\ub9bd\uc801\uc778 \ud45c\ubcf8\ub4e4\uc774 \uc815\uaddc\ubd84\ud3ec\ub97c \ub530\ub97c \ub54c\ub9c8\ub2e4 \uacc4\uc0b0\ub418\ub294 \ud655\ub960 \ubd84\ud3ec\uc785\ub2c8\ub2e4. \uc8fc\ub85c \ud45c\ubcf8 \ud06c\uae30\uac00 \uc791\uc744 \ub54c(\ubcf4\ud1b5 n &lt; 30) \uc815\uaddc\ubd84\ud3ec \ub300\uc2e0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. t-\ubd84\ud3ec\uc758 \ub0a9\uc791\ud55c \uc911\uc559\ubd80\uc640 \ub450\ub4dc\ub7ec\uc9c4 \uaf2c\ub9ac \ubd80\ubd84\uc740 \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \uc791\uc744 \ub54c\uc758 \ubd88\ud655\uc2e4\uc131\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4. \uc989, t-\ubd84\ud3ec\uc758 \uaf2c\ub9ac\ub294 \uc815\uaddc\ubd84\ud3ec\ubcf4\ub2e4 \ub354 \ub450\uaebc\uc6cc, \uadf9\ub2e8\uc801\uc778 \uac12\uc5d0 \ub354 \ubbfc\uac10\ud569\ub2c8\ub2e4.<\/p>\n<h3>2.1 t-\ubd84\ud3ec\uc758 \ud2b9\uc9d5<\/h3>\n<ul>\n<li><strong>\ub300\uce6d\uc131<\/strong>: t-\ubd84\ud3ec\ub294 \uc911\uc2ec\uc5d0\uc11c \ub300\uce6d\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ud3c9\uade0<\/strong>: t-\ubd84\ud3ec\uc758 \ud3c9\uade0\uc740 0\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\ubd84\uc0b0<\/strong>: t-\ubd84\ud3ec\uc758 \ubd84\uc0b0\uc740 n-1\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c0\uba70, \ud45c\ubcf8 \ud06c\uae30\uac00 \ucee4\uc9c8\uc218\ub85d \uc815\uaddc\ubd84\ud3ec\uc5d0 \uc810\uc810 \uac00\uae4c\uc6cc\uc9d1\ub2c8\ub2e4.<\/li>\n<li><strong>\uc790\uc720\ub3c4<\/strong>: t-\ubd84\ud3ec\ub294 \uc790\uc720\ub3c4(degrees of freedom)\uc5d0 \ub530\ub77c \uac00\uc871 \u0643\u0644 \uacb0\uc815\ub429\ub2c8\ub2e4. \uc790\uc720\ub3c4\uac00 \ub298\uc5b4\ub0a0\uc218\ub85d t-\ubd84\ud3ec\ub294 \uc815\uaddc\ubd84\ud3ec\uc5d0 \uac00\uae4c\uc6cc\uc9d1\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>3. t-\uac80\uc815\uc758 \uae30\ucd08<\/h2>\n<p>t-\uac80\uc815\uc740 \ub450 \uac1c\uc758 \uc9d1\ub2e8\uc758 \ud3c9\uade0\uc774 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud558\uac8c \ub2e4\ub978\uc9c0\ub97c \ud310\ub2e8\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc0c1\ud669\uc5d0\uc11c \uc0ac\uc6a9\ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ubaa8\uc9d1\ub2e8\uc758 \ubd84\uc0b0\uc774 \uc54c\ub824\uc838 \uc788\uc9c0 \uc54a\uc744 \ub54c<\/li>\n<li>\ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \uc791\uc744 \ub54c<\/li>\n<\/ul>\n<h3>3.1 t-\uac80\uc815\uc758 \uc885\ub958<\/h3>\n<ul>\n<li><strong>1\ud45c\ubcf8 t-\uac80\uc815<\/strong>: \ubaa8\uc9d1\ub2e8\uc758 \ud3c9\uade0\uacfc \ud45c\ubcf8\uc758 \ud3c9\uade0\uc774 \ub2e4\ub978\uc9c0\ub97c \uac80\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>2\ud45c\ubcf8 t-\uac80\uc815<\/strong>: \ub450 \ub3c5\ub9bd\uc801\uc778 \uc9d1\ub2e8\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \uac80\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub300\uc751 \ud45c\ubcf8 t-\uac80\uc815<\/strong>: \ub3d9\uc77c\ud55c \uc9d1\ub2e8\uc758 \ub450 \uac00\uc9c0 \uce21\uc815\uc744 \ube44\uad50\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>4. t-\uac80\uc815\uc758 \uc808\ucc28<\/h2>\n<p>t-\uac80\uc815\uc744 \uc218\ud589\ud558\uae30 \uc704\ud55c \ub2e8\uacc4\ub97c \uc544\ub798\uc640 \uac19\uc774 \uc124\uba85\ud569\ub2c8\ub2e4:<\/p>\n<ol>\n<li>\uac00\uc124 \uc124\uc815\n<ul>\n<li><strong>\uadc0\ubb34\uac00\uc124 (H0)<\/strong>: \ub450 \uc9d1\ub2e8 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\uac00 \uc5c6\ub2e4.<\/li>\n<li><strong>\ub300\ub9bd\uac00\uc124 (H1)<\/strong>: \ub450 \uc9d1\ub2e8 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\uac00 \uc788\ub2e4.<\/li>\n<\/ul>\n<\/li>\n<li>\uc720\uc758\uc218\uc900 (\u03b1) \uacb0\uc815: \uc77c\ubc18\uc801\uc73c\ub85c 0.05 \ub610\ub294 0.01\uc785\ub2c8\ub2e4.<\/li>\n<li>t-\ud1b5\uacc4\ub7c9 \uacc4\uc0b0: t-\ud1b5\uacc4\ub7c9\uc744 \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud574 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<br \/>\n        <br \/>\n<strong>t = (X\u03041 &#8211; X\u03042) \/ (s_p * \u221a(1\/n1 + 1\/n2))<\/strong><br \/>\n<br \/>\n        \uc5ec\uae30\uc11c, X\u0304\ub294 \ud45c\ubcf8 \ud3c9\uade0, s_p\ub294 \ub450 \uc9d1\ub2e8 \uacb0\ud569\ub41c \ud45c\uc900\ud3b8\ucc28, n\uc740 \ud45c\ubcf8 \ud06c\uae30\uc785\ub2c8\ub2e4.\n    <\/li>\n<li>\uc790\uc720\ub3c4 \uacc4\uc0b0: \ub450 \uc9d1\ub2e8\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \uac80\uc815\ud558\ub294\ub370 \ud544\uc694\ud55c \uc790\uc720\ub3c4\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4.<br \/>\n        <br \/>\n<strong>df = n1 + n2 &#8211; 2<\/strong>\n<\/li>\n<li>t-\ubd84\ud3ec \ud45c\uc5d0\uc11c p-\uac12 \ud655\uc778: \uacc4\uc0b0\ub41c t-\ud1b5\uacc4\ub7c9\uacfc \uc790\uc720\ub3c4\ub97c \ud1b5\ud574 p-\uac12\uc744 \ucc3e\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uacb0\uacfc \ud574\uc11d: p-\uac12\uacfc \uc720\uc758\uc218\uc900\uc744 \ube44\uad50\ud558\uc5ec \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud560\uc9c0 \uc5ec\ubd80\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>5. t-\ubd84\ud3ec\uc640 t-\uac80\uc815\uc758 \uc751\uc6a9 \uc0ac\ub840<\/h2>\n<p>t-\ubd84\ud3ec\ub294 \uc5ec\ub7ec \ubd84\uc57c\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ub418\uba70, \ub2e4\uc74c\uc740 \uadf8 \uba87 \uac00\uc9c0 \uc608\uc2dc\uc785\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uc758\ud559 \uc5f0\uad6c<\/strong>: \uc57d\ubb3c\uc758 \ud6a8\uacfc\ub97c \ub2e4\uc591\ud55c \uc9d1\ub2e8\uc5d0 \ub300\ud574 \ube44\uad50\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2ec\ub9ac\ud559<\/strong>: \uc2e4\ud5d8 \uc9d1\ub2e8\uacfc \ub300\uc870 \uc9d1\ub2e8\uc758 \uc2ec\ub9ac\uc801 \ucc28\uc774\ub97c \ubd84\uc11d\ud560 \ub54c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uad50\uc721<\/strong>: \uc5ec\ub7ec \ud559\uc2b5 \ubc29\ubc95\uc758 \ud6a8\uacfc\ub97c \ube44\uad50\ud558\ub294 \ub370 \ud65c\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>6. t-\uac80\uc815 \uacb0\uacfc \ud574\uc11d\ud558\uae30<\/h2>\n<p>t-\uac80\uc815 \uacb0\uacfc \ud574\uc11d\uc740 \ud1b5\uacc4\uc801 \uc758\uc0ac\uacb0\uc815\uc758 \uc911\uc694\ud55c \ubd80\ubd84\uc744 \ucc28\uc9c0\ud569\ub2c8\ub2e4. \uac80\uc815 \uacb0\uacfc\ub97c \uc774\ud574\ud558\uae30 \uc704\ud574\uc11c\ub294 p-\uac12\uacfc \uc2e0\ub8b0\uad6c\uac04\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<h3>6.1 p-\uac12 \uc774\ud574\ud558\uae30<\/h3>\n<p>p-\uac12\uc740 \uadc0\ubb34\uac00\uc124\uc774 \ucc38\uc774\ub77c\ub294 \uac00\uc815 \ud558\uc5d0 \uad00\uce21\ub41c \ud1b5\uacc4\ub7c9\ubcf4\ub2e4 \uadf9\ub2e8\uc801\uc778 \uacb0\uacfc\ub97c \uc5bb\uc744 \ud655\ub960\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c:<\/p>\n<ul>\n<li>p-\uac12 &lt; \u03b1: \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud569\ub2c8\ub2e4. \ub450 \uc9d1\ub2e8 \uac04\uc758 \ucc28\uc774\ub294 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud569\ub2c8\ub2e4.<\/li>\n<li>p-\uac12 \u2265 \u03b1: \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud558\uc9c0 \uc54a\uc73c\uba70, \ub450 \uc9d1\ub2e8 \uac04\uc758 \ucc28\uc774\ub294 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>6.2 \uc2e0\ub8b0\uad6c\uac04 \uc774\ud574\ud558\uae30<\/h3>\n<p>\uc2e0\ub8b0\uad6c\uac04\uc740 \uc9d1\ub2e8 \ud3c9\uade0\uc758 \uc720\uc758\ubbf8\ud55c \ucc28\uc774\ub97c \ucd94\uc815\ud558\ub294\ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, 95% \uc2e0\ub8b0\uad6c\uac04\uc774 [-2.5, 1.5]\ub77c\uba74, 0\uc744 \ud3ec\ud568\ud558\uace0 \uc788\uc5b4 \ub450 \uc9d1\ub2e8\uc758 \ud3c9\uade0 \ucc28\uc774\ub294 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud558\uc9c0 \uc54a\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/p>\n<h2>7. \uacb0\ub860<\/h2>\n<p>t-\ubd84\ud3ec\uc640 t-\uac80\uc815\uc740 \ud45c\ubcf8 \ud06c\uae30\uac00 \uc791\uace0 \ubaa8\uc9d1\ub2e8\uc758 \ubd84\uc0b0\uc774 \uc54c\ub824\uc9c0\uc9c0 \uc54a\uc558\uc744 \ub54c \ud1b5\uacc4\uc801 \ucd94\ub860\uc5d0 \ud544\uc218\uc801\uc778 \ub3c4\uad6c\uc785\ub2c8\ub2e4. \uc774\ub4e4\uc758 \uc774\ud574\uc640 \ud65c\uc6a9\uc740 \uacf5\ud559, \uc758\ud559, \uc0dd\ubb3c\ud559 \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ud1b5\uacc4\ud559\uc801 \uac00\uc124 \uac80\uc815\uc758 \uae30\ucd08\ub97c \ud655\ub9bd\ud568\uc73c\ub85c\uc368, \uc6b0\ub9ac\ub294 \ub370\uc774\ud130\ub97c \ud1b5\ud574 \uc880 \ub354 \uc720\uc758\ubbf8\ud55c \uacb0\ub860\uc744 \ub3c4\ucd9c\ud560 \uc218 \uc788\uc744 \uac83\uc785\ub2c8\ub2e4. t-\ubd84\ud3ec\uc640 t-\uac80\uc815\uc5d0 \ub300\ud55c \uc219\ub828\uc740 \uc5f0\uad6c \uacb0\uacfc\ub97c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ubc29\ud5a5\uc73c\ub85c \uc774\ub044\ub294 \uc911\uc694\ud55c \uc5f4\uc1e0\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. \uc18c\uac1c \ud1b5\uacc4\ud559\uc5d0\uc11c t-\ubd84\ud3ec\ub294 \ud2b9\ud788 \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \uc791\uc744 \ub54c \uc0ac\uc6a9\ub418\ub294 \uc911\uc694\ud55c \ud655\ub960 \ubd84\ud3ec\uc785\ub2c8\ub2e4. \uc774\ub294 \uc815\uaddc\ubd84\ud3ec\uc640 \uc720\uc0ac\ud558\uc9c0\ub9cc, \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ud074 \ub54c \ub354\uc6b1 \ub450\ub4dc\ub7ec\uc9c0\uba70, \ub530\ub77c\uc11c \uc791\uc740 \ud45c\ubcf8\uc73c\ub85c\ubd80\ud130\uc758 \ucd94\ub860\uc5d0 \uc788\uc5b4 \ud544\uc218\uc801\uc778 \ub3c4\uad6c\uac00 \ub429\ub2c8\ub2e4. t-\uac80\uc815\uc740 \ub450 \uc9d1\ub2e8 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \uac80\uc815\ud558\ub294 \ubc29\ubc95 \uc911 \ud558\ub098\ub85c, \uc774 t-\ubd84\ud3ec\ub97c \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. 2. t-\ubd84\ud3ec\uc758 \uac1c\uc694 t-\ubd84\ud3ec\ub294 \ub3c5\ub9bd\uc801\uc778 \ud45c\ubcf8\ub4e4\uc774 \uc815\uaddc\ubd84\ud3ec\ub97c \ub530\ub97c \ub54c\ub9c8\ub2e4 \uacc4\uc0b0\ub418\ub294 \ud655\ub960 &hellip; <a href=\"https:\/\/atmokpo.com\/w\/40830\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;36.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), t-\ubd84\ud3ec\uc758 \ud2b9\uc9d5\uacfc \uac80\uc815 \uacb0\uacfc \ud574\uc11d&#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-40830","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>36.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), t-\ubd84\ud3ec\uc758 \ud2b9\uc9d5\uacfc \uac80\uc815 \uacb0\uacfc \ud574\uc11d - \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\/40830\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"36.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), t-\ubd84\ud3ec\uc758 \ud2b9\uc9d5\uacfc \uac80\uc815 \uacb0\uacfc \ud574\uc11d - \ub77c\uc774\ube0c\uc2a4\ub9c8\ud2b8\" \/>\n<meta property=\"og:description\" content=\"1. \uc18c\uac1c \ud1b5\uacc4\ud559\uc5d0\uc11c t-\ubd84\ud3ec\ub294 \ud2b9\ud788 \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \uc791\uc744 \ub54c \uc0ac\uc6a9\ub418\ub294 \uc911\uc694\ud55c \ud655\ub960 \ubd84\ud3ec\uc785\ub2c8\ub2e4. \uc774\ub294 \uc815\uaddc\ubd84\ud3ec\uc640 \uc720\uc0ac\ud558\uc9c0\ub9cc, \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ud074 \ub54c \ub354\uc6b1 \ub450\ub4dc\ub7ec\uc9c0\uba70, \ub530\ub77c\uc11c \uc791\uc740 \ud45c\ubcf8\uc73c\ub85c\ubd80\ud130\uc758 \ucd94\ub860\uc5d0 \uc788\uc5b4 \ud544\uc218\uc801\uc778 \ub3c4\uad6c\uac00 \ub429\ub2c8\ub2e4. t-\uac80\uc815\uc740 \ub450 \uc9d1\ub2e8 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \uac80\uc815\ud558\ub294 \ubc29\ubc95 \uc911 \ud558\ub098\ub85c, \uc774 t-\ubd84\ud3ec\ub97c \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. 2. t-\ubd84\ud3ec\uc758 \uac1c\uc694 t-\ubd84\ud3ec\ub294 \ub3c5\ub9bd\uc801\uc778 \ud45c\ubcf8\ub4e4\uc774 \uc815\uaddc\ubd84\ud3ec\ub97c \ub530\ub97c \ub54c\ub9c8\ub2e4 \uacc4\uc0b0\ub418\ub294 \ud655\ub960 &hellip; \ub354 \ubcf4\uae30 &quot;36.t-\ubd84\ud3ec(t-Distribution)\uc640 t-\uac80\uc815(t-Test), t-\ubd84\ud3ec\uc758 \ud2b9\uc9d5\uacfc \uac80\uc815 \uacb0\uacfc \ud574\uc11d&quot;\" \/>\n<meta property=\"og:url\" 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