{"id":522,"date":"2023-07-29T15:10:43","date_gmt":"2023-07-29T15:10:43","guid":{"rendered":"https:\/\/statorials.org\/ko\/t-%e1%84%90%e1%85%a6%e1%84%89%e1%85%b3%e1%84%90%e1%85%b3%e1%84%8b%e1%85%aa-anova%e1%84%8b%e1%85%b4-%e1%84%8e%e1%85%a1%e1%84%8b%e1%85%b5%e1%84%8c%e1%85%a5%e1%86%b7%e1%84%8b%e1%85%b3%e1%86%ab-%e1%84%86\/"},"modified":"2023-07-29T15:10:43","modified_gmt":"2023-07-29T15:10:43","slug":"t-%e1%84%90%e1%85%a6%e1%84%89%e1%85%b3%e1%84%90%e1%85%b3%e1%84%8b%e1%85%aa-anova%e1%84%8b%e1%85%b4-%e1%84%8e%e1%85%a1%e1%84%8b%e1%85%b5%e1%84%8c%e1%85%a5%e1%86%b7%e1%84%8b%e1%85%b3%e1%86%ab-%e1%84%86","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/t-%e1%84%90%e1%85%a6%e1%84%89%e1%85%b3%e1%84%90%e1%85%b3%e1%84%8b%e1%85%aa-anova%e1%84%8b%e1%85%b4-%e1%84%8e%e1%85%a1%e1%84%8b%e1%85%b5%e1%84%8c%e1%85%a5%e1%86%b7%e1%84%8b%e1%85%b3%e1%86%ab-%e1%84%86\/","title":{"rendered":"T-\uac80\uc815\uacfc anova\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 <strong>t-test<\/strong> \uc640 <strong>ANOVA<\/strong> \uc758 \ucc28\uc774\uc810\uacfc \uac01 \ud14c\uc2a4\ud2b8\ub97c \uc5b8\uc81c \uc0ac\uc6a9\ud558\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>T-\ud14c\uc2a4\ud2b8<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\"><strong>t-\uac80\uc815\uc740<\/strong> <span style=\"text-decoration: underline;\">\ub450 \uadf8\ub8f9<\/span> \uc758 \ud3c9\uade0 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. t-\uac80\uc815\uc5d0\ub294 \ub450 \uac00\uc9c0 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>1. \ub3c5\ub9bd\ud45c\ubcf8 t-\uac80\uc815.<\/strong> \uc774\ub294 \ub450 \uadf8\ub8f9\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \ube44\uad50\ud558\uace0 \uadf8\ub8f9\uc774 \uc11c\ub85c \uc644\uc804\ud788 \ub3c5\ub9bd\uc801\uc77c \ub54c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc608\ub97c \ub4e4\uc5b4,<\/span> <span style=\"color: #000000;\">\uc5f0\uad6c\uc790\ub4e4\uc740 \ub2e4\uc774\uc5b4\ud2b8 A \ub610\ub294 \ub2e4\uc774\uc5b4\ud2b8 B\uac00 \uc0ac\ub78c\ub4e4\uc758 \uccb4\uc911 \uac10\ub7c9\uc5d0 \ub3c4\uc6c0\uc774 \ub418\ub294\uc9c0 \uc54c\uace0 \uc2f6\uc5b4\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubb34\uc791\uc704\ub85c \ud560\ub2f9\ub41c 100\uba85\uc758 \uc0ac\ub78c\ub4e4\uc740 \ub2e4\uc774\uc5b4\ud2b8 A\uc5d0 \ud560\ub2f9\ub429\ub2c8\ub2e4. \ub610 \ub2e4\ub978 \ubb34\uc791\uc704\ub85c \ud560\ub2f9\ub41c 100\uba85\uc758 \uc0ac\ub78c\ub4e4\uc740 \ub2e4\uc774\uc5b4\ud2b8 B\uc5d0 \ud560\ub2f9\ub429\ub2c8\ub2e4. 3\uac1c\uc6d4 \ud6c4\uc5d0 \uc5f0\uad6c\uc790\ub4e4\uc740 \uac01 \uc0ac\ub78c\uc758 \ucd1d \uccb4\uc911 \uac10\uc18c\ub97c \uae30\ub85d\ud569\ub2c8\ub2e4. \ub450 \uadf8\ub8f9 \uac04\uc758 \ud3c9\uade0 \uccb4\uc911 \uac10\uc18c\uac00 \ud06c\uac8c \ub2e4\ub978\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc5f0\uad6c\uc790\ub294 \ub3c5\ub9bd \ud45c\ubcf8 t-\uac80\uc815\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>2. \uc30d\uc744 \uc774\ub8e8\ub294 \ud45c\ubcf8 t-\uac80\uc815<\/strong> . \uc774\ub294 \ub450 \uadf8\ub8f9\uc758 \ud3c9\uade0 \uac04\uc758 \ucc28\uc774\ub97c \ube44\uad50\ud558\uace0 \ud55c \uadf8\ub8f9\uc758 \uac01 \uad00\uce21\uce58\uac00 \ub2e4\ub978 \uadf8\ub8f9\uc758 \uad00\uce21\uce58\uc640 \uc5f0\uad00\ub420 \uc218 \uc788\ub294 \uacbd\uc6b0\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc608\ub97c \ub4e4\uc5b4, \ud55c \ud559\uae09\uc5d0 20\uba85\uc758 \ud559\uc0dd\uc774 \uc2dc\ud5d8\uc744 \ubcf4\uace0 \ud2b9\uc815 \uac00\uc774\ub4dc\ub97c \uacf5\ubd80\ud55c \ud6c4 \ub2e4\uc2dc \uc2dc\ud5d8\uc744 \ubcf8\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uccab \ubc88\uc9f8 \uc2dc\ud5d8 \uc810\uc218\uc640 \ub450 \ubc88\uc9f8 \uc2dc\ud5d8 \uc810\uc218\uc758 \ucc28\uc774\ub97c \ube44\uad50\ud558\uae30 \uc704\ud574 \uac01 \ud559\uc0dd\uc758 \uccab \ubc88\uc9f8 \uc2dc\ud5d8 \uc810\uc218\uac00 \ub450 \ubc88\uc9f8 \uc2dc\ud5d8 \uc810\uc218\uc640 \uc5f0\uad00\ub420 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ub300\uc751 t-\uac80\uc815\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">t-\uac80\uc815\uc774 \uc720\ud6a8\ud55c \uacb0\uacfc\ub97c \uc0dd\uc131\ud558\ub824\uba74 \ub2e4\uc74c \uac00\uc815\uc774 \ucda9\uc871\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\ubb34\uc791\uc704:<\/strong> \ub450 \ud45c\ubcf8 \ubaa8\ub450\uc5d0 \ub300\ud55c \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud558\ub824\uba74 \ubb34\uc791\uc704 \ud45c\ubcf8 \ub610\ub294 \ubb34\uc791\uc704 \uc2e4\ud5d8\uc744 \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\uc815\uaddc:<\/strong> \uc0d8\ud50c\ub9c1 \ubd84\ud3ec\uac00 \uc815\uaddc \ub610\ub294 \ub300\ub7b5 \uc815\uaddc\uc785\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\uc774\ub7ec\ud55c \uac00\uc815\uc774 \ucda9\uc871\ub418\uba74 t-\uac80\uc815\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub450 \uadf8\ub8f9\uc758 \ud3c9\uade0 \uac04\uc758 \ucc28\uc774\ub97c \uac80\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\ubd84\uc0b0 \ubd84\uc11d<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\"><strong>ANOVA<\/strong> (\ubd84\uc0b0 \ubd84\uc11d)\ub294 <span style=\"text-decoration: underline;\">\uc138 \uac1c \uc774\uc0c1\uc758 \uadf8\ub8f9<\/span> \ud3c9\uade0 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span> <span style=\"color: #000000;\">\uc2e4\uc81c\ub85c \uac00\uc7a5 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ubd84\uc0b0 \ubd84\uc11d \ud14c\uc2a4\ud2b8\ub294 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uacfc \uc591\ubc29\ud5a5 \ubd84\uc0b0 \ubd84\uc11d\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d:<\/strong> \uadf8\ub8f9\uc744 <span style=\"text-decoration: underline;\">\ub2e8\uc77c \uc694\uc778<\/span> \uc73c\ub85c \ubd84\ud560\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0 \uc138 \uac1c \uc774\uc0c1\uc758 \uadf8\ub8f9 \ud3c9\uade0 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud14c\uc2a4\ud2b8\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\uc608:<\/strong> 90\uba85\uc758 \ud559\uc0dd\uc73c\ub85c \uad6c\uc131\ub41c \ud559\uae09\uc744 \ubb34\uc791\uc704\ub85c 30\uba85\uc758 \uc138 \uadf8\ub8f9\uc73c\ub85c \ub098\ub215\ub2c8\ub2e4. \uac01 \uadf8\ub8f9\uc740 \ud55c \ub2ec \ub3d9\uc548 \uc11c\ub85c \ub2e4\ub978 \ud559\uc2b5 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2dc\ud5d8\uc744 \uc900\ube44\ud569\ub2c8\ub2e4. \uc6d4\ub9d0\uc5d0\ub294 \ubaa8\ub4e0 \ud559\uc0dd\uc774 \ub3d9\uc77c\ud55c \uc2dc\ud5d8\uc744 \uce58\ub985\ub2c8\ub2e4. \ud559\uc2b5 \ubc29\ubc95\uc774 \uc2dc\ud5d8 \uc810\uc218\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \uc5ec\ubd80\ub97c \uc54c\uace0 \uc2f6\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud558\uc5ec \uc138 \uadf8\ub8f9\uc758 \ud3c9\uade0 \uc810\uc218 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\uc591\ubc29\ud5a5 ANOVA:<\/strong> \uadf8\ub8f9\uc744 <span style=\"text-decoration: underline;\">\ub450 \uac00\uc9c0 \uc694\uc18c<\/span> \ub85c \ubd84\ud560\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0 \uc138 \uac1c \uc774\uc0c1\uc758 \uadf8\ub8f9 \ud3c9\uade0 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud14c\uc2a4\ud2b8\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\uc608:<\/strong> \uc6b4\ub3d9 \uc218\uc900(\uc6b4\ub3d9 \uc5c6\uc74c, \uac00\ubcbc\uc6b4 \uc6b4\ub3d9, \uaca9\ub82c\ud55c \uc6b4\ub3d9)\uacfc \uc131\ubcc4(\ub0a8\uc131, \uc5ec\uc131)\uc774 \uccb4\uc911 \uac10\ub7c9\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \ud655\uc778\ud558\ub824\uace0 \ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \uc5f0\uad6c \uc911\uc778 \ub450 \uac00\uc9c0 \uc694\uc778\uc740 \uc6b4\ub3d9\uacfc \uc131\ubcc4\uc774\uace0 \ubc18\uc751 \ubcc0\uc218\ub294 \uccb4\uc911 \uac10\uc18c(\ud30c\uc6b4\ub4dc\ub85c \uce21\uc815)\uc785\ub2c8\ub2e4. \uc6b4\ub3d9\uacfc \uc131\ubcc4\uc774 \uccb4\uc911 \uac10\ub7c9\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \ud655\uc778\ud558\uace0 \uc6b4\ub3d9\uacfc \uc131\ubcc4\uc774 \uccb4\uc911 \uac10\ub7c9\uc5d0 \uc0c1\ud638 \uc791\uc6a9\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc591\ubc29\ud5a5 \ubd84\uc0b0 \ubd84\uc11d\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">ANOVA\uac00 \uc720\ud6a8\ud55c \uacb0\uacfc\ub97c \uc0dd\uc131\ud558\ub824\uba74 \ub2e4\uc74c \uac00\uc815\uc774 \ucda9\uc871\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><strong>\uc815\uaddc\uc131<\/strong> \u2013 \uc6b0\ub9ac\uac00 \uc5f0\uad6c\ud558\ub294 \ubaa8\ub4e0 \ubaa8\uc9d1\ub2e8\uc740 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub985\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc608\ub97c \ub4e4\uc5b4 \uc11c\ub85c \ub2e4\ub978 \uc138 \uadf8\ub8f9\uc758 \ud559\uc0dd\uc758 \uc2dc\ud5d8 \uc810\uc218\ub97c \ube44\uad50\ud558\ub824\uba74 \uccab \ubc88\uc9f8 \uadf8\ub8f9, \ub450 \ubc88\uc9f8 \uadf8\ub8f9, \uc138 \ubc88\uc9f8 \uadf8\ub8f9\uc758 \uc2dc\ud5d8 \uc810\uc218\uac00 \ubaa8\ub450 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub77c\uc57c \ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\ub4f1\ubd84\uc0b0<\/strong> \u2013 \uac01 \uadf8\ub8f9\uc758 \ubaa8\uc9d1\ub2e8 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\uac70\ub098 \uac70\uc758 \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\"><strong>\ub3c5\ub9bd\uc131<\/strong> \u2013 \uac01 \uadf8\ub8f9\uc758 \uad00\uce21\uac12\uc740 \uc11c\ub85c \ub3c5\ub9bd\uc801\uc774\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c<\/span> <a href=\"https:\/\/statorials.org\/ko\/\u1110\u1169\u11bc\u1100\u1168\u110b\u1174-\u1106\u116e\u110c\u1161\u11a8\u110b\u1171\u1112\u116a\/\" target=\"_blank\" rel=\"noopener\">\ubb34\uc791\uc704 \ub514\uc790\uc778\uc774<\/a> <span style=\"color: #000000;\">\uc774\ub97c \ucc98\ub9ac\ud569\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\uc774\ub7ec\ud55c \uac00\uc815\uc774 \ucda9\uc871\ub418\uba74 ANOVA\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc138 \uac1c \uc774\uc0c1\uc758 \uadf8\ub8f9 \ud3c9\uade0 \uac04\uc758 \ucc28\uc774\ub97c \ud14c\uc2a4\ud2b8\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\uac01 \ud14c\uc2a4\ud2b8\uc758 \ucc28\uc774\uc810 \uc774\ud574<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">t-\uac80\uc815\uacfc ANOVA\uc758 \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \ub450 \ud14c\uc2a4\ud2b8 \ubaa8\ub450 \uadf8\ub8f9 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \ud14c\uc2a4\ud2b8 \ud1b5\uacc4\ub97c \uacc4\uc0b0\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\ub3c5\ub9bd \ud45c\ubcf8 t-\uac80\uc815\uc740<\/strong> \ub2e4\uc74c \uac80\uc815 \ud1b5\uacc4\ub7c9\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uac80\uc815 \ud1b5\uacc4\ub7c9 <em>t<\/em> = [ ( <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> ) \u2013 d ] \/ (\u221a <span style=\"border-top: 1px solid black;\">s <sup>2<\/sup> <sub>1<\/sub> \/ n <sub>1<\/sub> + s <sup>2<\/sup> <sub>2<\/sub> \/ n <sub>2<\/sub><\/span> )<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc5ec\uae30\uc11c <span style=\"border-top: 1px solid black;\">x<\/span> <sub>1<\/sub> \uacfc <span style=\"border-top: 1px solid black;\">x<\/span> <sub>2<\/sub> \ub294 \uadf8\ub8f9 1\uacfc 2\uc5d0 \ub300\ud55c \ud45c\ubcf8 \ud3c9\uade0\uc774\uace0, <em>d<\/em> \ub294 \ub450 \ud3c9\uade0 \uc0ac\uc774\uc758 \uac00\uc0c1 \ucc28\uc774(\uc885\uc885 0\uc784)\uc774\uace0, s <sub>1<\/sub> <sup>2<\/sup> \uc640 s <sub>2<\/sub> <sup>2<\/sup> \ub294 \uadf8\ub8f9 1\uacfc 2\uc5d0 \ub300\ud55c \ud45c\ubcf8 \ubd84\uc0b0\uc785\ub2c8\ub2e4. n <sub>1<\/sub> \uacfc n <sub>2<\/sub> \ub294 \uac01\uac01 \uadf8\ub8f9 1\uacfc 2\uc758 \ud45c\ubcf8 \ud06c\uae30\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\ub300\uc751 \ud45c\ubcf8 t-\uac80\uc815\uc740<\/strong> \ub2e4\uc74c \uac80\uc815 \ud1b5\uacc4\ub7c9\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uac80\uc815 \ud1b5\uacc4\ub7c9 <em>t<\/em> = <span style=\"border-top: 1px solid black;\">d<\/span> \/ (s <sub>d<\/sub> \/ \u221an)<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc5ec\uae30\uc11c <span style=\"border-top: 1px solid black;\">d<\/span> \ub294 \ub450 \uadf8\ub8f9 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\uc774\uace0, <sub>sd<\/sub> \ub294 \ucc28\uc774\uc758 \ud45c\uc900 \ud3b8\ucc28\uc774\uace0, n\uc740 \uac01 \uadf8\ub8f9\uc758 \ud45c\ubcf8 \ud06c\uae30\uc785\ub2c8\ub2e4(\ub450 \uadf8\ub8f9 \ubaa8\ub450 \ub3d9\uc77c\ud55c \ud45c\ubcf8 \ud06c\uae30\ub97c \uac16\uc2b5\ub2c8\ub2e4).<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>ANOVA\ub294<\/strong> \ub2e4\uc74c \ud14c\uc2a4\ud2b8 \ud1b5\uacc4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uac80\uc815 \ud1b5\uacc4\ub7c9 <em>F<\/em> = s <sup>2<\/sup> <sub>b<\/sub> \/ s <sup>2<\/sup> <sub>w<\/sub><\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc5ec\uae30\uc11c<\/span> <span style=\"color: #000000;\">s <sup>2<\/sup> <sub>b<\/sub> \ub294 \ud45c\ubcf8 \uac04 \ubd84\uc0b0\uc774\uace0 s <sup>2<\/sup> <sub>w<\/sub> \ub294 \ud45c\ubcf8 \ub0b4 \ubd84\uc0b0\uc785\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">t-\uac80\uc815\uc740 \ub450 \uadf8\ub8f9 \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\uc640 \ucc28\uc774\uc758 \uc804\uccb4 \ud45c\uc900 \ud3b8\ucc28 \ube44\uc728\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. \uc774 \ube44\uc728\uc774 \ucda9\ubd84\ud788 \ub192\uc73c\uba74 \ub450 \uadf8\ub8f9 \uc0ac\uc774\uc5d0 \uc720\uc758\ud55c \ucc28\uc774\uac00 \uc788\ub2e4\ub294 \ucda9\ubd84\ud55c \uc99d\uac70\uac00 \ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ubc18\uba74\uc5d0 ANOVA\ub294 \uadf8\ub8f9 \ub0b4 \ubd84\uc0b0\uacfc \ube44\uad50\ud558\uc5ec \uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0 \ube44\uc728\uc744 \uce21\uc815\ud569\ub2c8\ub2e4. t-\uac80\uc815\uacfc \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc774 \ube44\uc728\uc774 \ucda9\ubd84\ud788 \ub192\uc73c\uba74 \uc138 \uadf8\ub8f9\uc758 \ud3c9\uade0\uc774 \ub3d9\uc77c\ud558\uc9c0 \uc54a\ub2e4\ub294 \ucda9\ubd84\ud55c \uc99d\uac70\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">t-\uac80\uc815\uacfc ANOVA\uc758 \ub610 \ub2e4\ub978 \uc8fc\uc694 \ucc28\uc774\uc810\uc740 t-\uac80\uc815\uc744 \ud1b5\ud574 \ub450 \uadf8\ub8f9\uc758 \ud3c9\uade0\uc774 \ub3d9\uc77c\ud55c\uc9c0 \uc5ec\ubd80\ub97c \uc54c \uc218 \uc788\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \ubc18\uba74\uc5d0 ANOVA\ub294 \uc138 \uadf8\ub8f9\uc774 \ubaa8\ub450 \ub3d9\uc77c\ud55c \ud3c9\uade0\uc744 \uac16\ub294\uc9c0 \uc5ec\ubd80\ub97c \uc54c\ub824\uc8fc\uc9c0\ub9cc, <em>\uc5b4\ub5a4<\/em> \uadf8\ub8f9\uc774 \uc11c\ub85c \ub2e4\ub978 \ud3c9\uade0\uc744 \uac00\uc9c0\uace0 \uc788\ub294\uc9c0 \uba85\uc2dc\uc801\uc73c\ub85c \uc54c\ub824\uc8fc\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc5b4\ub5a4 \uadf8\ub8f9\uc774 \uc11c\ub85c \ub2e4\ub978\uc9c0 \ud655\uc778\ud558\ub824\uba74 <a href=\"https:\/\/statorials.org\/ko\/\u1109\u1161\u1112\u116e-anova-\u1110\u1166\u1109\u1173\u1110\u1173\/\" target=\"_blank\" rel=\"noopener\">\uc0ac\ud6c4 \ud14c\uc2a4\ud2b8\uac00<\/a> \ud544\uc694\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h2> <span style=\"color: #000000;\"><strong>\uac01 \ud14c\uc2a4\ud2b8\ub97c \uc5b8\uc81c \uc0ac\uc6a9\ud574\uc57c \ud558\ub294\uc9c0 \uc774\ud574\ud558\uae30<\/strong><\/span><\/h2>\n<p> <span style=\"color: #000000;\">\uc2e4\uc81c\ub85c <span style=\"text-decoration: underline;\">\ub450 <em>\uadf8\ub8f9<\/em><\/span> \uc758 \ud3c9\uade0\uc744 \ube44\uad50\ud558\ub824\uba74 t \ud14c\uc2a4\ud2b8\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. <span style=\"text-decoration: underline;\">\uc138 \uac1c \uc774\uc0c1\uc758 \uadf8\ub8f9<\/span> \uc758 \ud3c9\uade0\uc744 \ube44\uad50\ud558\ub824\uba74 ANOVA\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc6b0\ub9ac\uac00 \uc138 \uac1c \uc774\uc0c1\uc758 \uadf8\ub8f9\uc758 \ud3c9\uade0\uc744 \ube44\uad50\ud558\uae30 \uc704\ud574 \ub2e8\uc21c\ud788 \uc5ec\ub7ec t-\uac80\uc815\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\ub294 \uadfc\ubcf8\uc801\uc778 \uc774\uc720\ub294 \uc81c1\uc885 \uc624\ub958\uc728\uc744 \uc774\ud574\ud558\ub294 \ub370 \uc788\uc2b5\ub2c8\ub2e4.<\/span> \uc138 \uadf8\ub8f9(\uadf8\ub8f9 A, \uadf8\ub8f9 B, \uadf8\ub8f9 C)\uc758 <span style=\"color: #000000;\">\ud3c9\uade0\uc744 \ube44\uad50\ud55c\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.<\/span> <span style=\"color: #000000;\">\ub2e4\uc74c \uc138 \uac00\uc9c0 t-\uac80\uc815\uc744 \uc218\ud589\ud558\uace0 \uc2f6\uc744 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\uadf8\ub8f9 A\uc640 \uadf8\ub8f9 B \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \ube44\uad50\ud558\ub294 t \ud14c\uc2a4\ud2b8<\/span><\/li>\n<li> <span style=\"color: #000000;\">\uadf8\ub8f9 A\uc640 \uadf8\ub8f9 C \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \ube44\uad50\ud558\ub294 t \ud14c\uc2a4\ud2b8<\/span><\/li>\n<li> <span style=\"color: #000000;\">\uadf8\ub8f9 B\uc640 \uadf8\ub8f9 C \uac04\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \ube44\uad50\ud558\uae30 \uc704\ud55c t \ud14c\uc2a4\ud2b8<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\uac01 t-\uac80\uc815\ub9c8\ub2e4 <strong>\uc81c1\uc885 \uc624\ub958\uac00<\/strong> \ubc1c\uc0dd\ud560 \uac00\ub2a5\uc131\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uadc0\ubb34\uac00\uc124\uc774 \uc2e4\uc81c\ub85c \ucc38\uc77c \ub54c \uc774\ub97c \uae30\uac01\ud560 \ud655\ub960\uc785\ub2c8\ub2e4. \uc774 \ud655\ub960\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 5%\uc785\ub2c8\ub2e4. \uc774\ub294 \ub2e4\uc911 t-\ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud558\uba74 \uc774 \uc624\ub958\uc728\uc774 \uc99d\uac00\ud55c\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4:<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\ub2e8\uc77c t-\uac80\uc815\uc73c\ub85c \uc81c1\uc885 \uc624\ub958\ub97c \ubc94\ud560 \ud655\ub960\uc740 1 \u2013 0.95 = <strong>0.05<\/strong> \uc785\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\">\ub450 \ubc88\uc758 t-\uac80\uc815\uc73c\ub85c \uc81c1\uc885 \uc624\ub958\ub97c \ubc94\ud560 \ud655\ub960\uc740 1 \u2013 (0.95 <sup>2<\/sup> ) = <strong>0.0975<\/strong> \uc785\ub2c8\ub2e4.<\/span><\/li>\n<li> <span style=\"color: #000000;\">\ub450 \ubc88\uc758 t-\uac80\uc815\uc73c\ub85c \uc81c1\uc885 \uc624\ub958\ub97c \ubc94\ud560 \ud655\ub960\uc740 1 \u2013 (0.95 <sup>3<\/sup> ) = <strong>0.1427<\/strong> \uc785\ub2c8\ub2e4.<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\">\uc774 \uc624\ub958\uc728\uc740 \uc6a9\ub0a9\ud560 \uc218 \uc5c6\uc744 \uc815\ub3c4\ub85c \ub192\uc2b5\ub2c8\ub2e4. \ub2e4\ud589\uc2a4\ub7fd\uac8c\ub3c4 \ubd84\uc0b0 \ubd84\uc11d\uc740 \uc774\ub7ec\ud55c \uc624\ub958\ub97c \uc81c\uc5b4\ud558\uc5ec \uc81c1\uc885 \uc624\ub958\uac00 5%\ub9cc \uc720\uc9c0\ub418\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc6b0\ub9ac\ub294 \ub2e8\uc21c\ud788 \ub9ce\uc740 \ud14c\uc2a4\ud2b8\ub97c \uc2e4\ud589\ud558\uc5ec \uc5bb\uc740 \uacb0\uacfc\uac00 \uc544\ub2c8\ub77c \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ud14c\uc2a4\ud2b8 \uacb0\uacfc\uac00 \uc2e4\uc81c\ub85c \uc758\ubbf8\uac00 \uc788\ub2e4\ub294 \ud655\uc2e0\uc744 \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ub530\ub77c\uc11c \uc138 \uac1c \uc774\uc0c1\uc758 \uadf8\ub8f9 \ud3c9\uade0 \uac04\uc5d0 \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc774\ud574\ud558\ub824\uba74 \uacb0\uacfc\uac00 \ud1b5\uacc4\uc801\uc73c\ub85c \ud0c0\ub2f9\ud558\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub3c4\ub85d ANOVA\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 t-test \uc640 ANOVA \uc758 \ucc28\uc774\uc810\uacfc \uac01 \ud14c\uc2a4\ud2b8\ub97c \uc5b8\uc81c \uc0ac\uc6a9\ud558\ub294\uc9c0 \uc124\uba85\ud569\ub2c8\ub2e4. T-\ud14c\uc2a4\ud2b8 t-\uac80\uc815\uc740 \ub450 \uadf8\ub8f9 \uc758 \ud3c9\uade0 \uac04\uc5d0 \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. t-\uac80\uc815\uc5d0\ub294 \ub450 \uac00\uc9c0 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4. 1. \ub3c5\ub9bd\ud45c\ubcf8 t-\uac80\uc815. \uc774\ub294 \ub450 \uadf8\ub8f9\uc758 \ud3c9\uade0 \ucc28\uc774\ub97c \ube44\uad50\ud558\uace0 \uadf8\ub8f9\uc774 \uc11c\ub85c \uc644\uc804\ud788 \ub3c5\ub9bd\uc801\uc77c \ub54c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc5f0\uad6c\uc790\ub4e4\uc740 \ub2e4\uc774\uc5b4\ud2b8 A \ub610\ub294 \ub2e4\uc774\uc5b4\ud2b8 B\uac00 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-522","post","type-post","status-publish","format-standard","hentry","category-20"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>T-\uac80\uc815\uacfc ANOVA\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c? 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