{"id":1607,"date":"2023-07-25T16:24:42","date_gmt":"2023-07-25T16:24:42","guid":{"rendered":"https:\/\/statorials.org\/ko\/%e1%84%83%e1%85%b3%e1%86%bc%e1%84%87%e1%85%ae%e1%86%ab%e1%84%89%e1%85%a1%e1%86%ab-%e1%84%80%e1%85%a1%e1%84%8c%e1%85%a5%e1%86%bc\/"},"modified":"2023-07-25T16:24:42","modified_gmt":"2023-07-25T16:24:42","slug":"%e1%84%83%e1%85%b3%e1%86%bc%e1%84%87%e1%85%ae%e1%86%ab%e1%84%89%e1%85%a1%e1%86%ab-%e1%84%80%e1%85%a1%e1%84%8c%e1%85%a5%e1%86%bc","status":"publish","type":"post","link":"https:\/\/statorials.org\/ko\/%e1%84%83%e1%85%b3%e1%86%bc%e1%84%87%e1%85%ae%e1%86%ab%e1%84%89%e1%85%a1%e1%86%ab-%e1%84%80%e1%85%a1%e1%84%8c%e1%85%a5%e1%86%bc\/","title":{"rendered":"\ud1b5\uacc4\uc5d0\uc11c \ub4f1\ubd84\uc0b0 \uac00\uc815\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?"},"content":{"rendered":"

<\/p>\n

\n

\ub9ce\uc740 \ud1b5\uacc4 \uac80\uc815\uc5d0\uc11c\ub294 \ub4f1\ubd84\uc0b0\uc744 \uac00\uc815<\/strong> \ud569\ub2c8\ub2e4. \uc774 \uac00\uc815\uc774 \uc874\uc911\ub418\uc9c0 \uc54a\uc73c\uba74 \ud14c\uc2a4\ud2b8 \uacb0\uacfc\ub97c \uc2e0\ub8b0\ud560 \uc218 \uc5c6\uac8c \ub429\ub2c8\ub2e4.<\/span><\/p>\n

\ub4f1\ubd84\uc0b0\uc744 \uac00\uc815\ud558\ub294 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ud1b5\uacc4 \ud14c\uc2a4\ud2b8 \ubc0f \uc808\ucc28\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

1. \ubd84\uc0b0\ubd84\uc11d<\/strong><\/span><\/p>\n

2. t-\ud14c\uc2a4\ud2b8<\/strong><\/span><\/p>\n

3. \uc120\ud615 \ud68c\uadc0<\/strong><\/span><\/p>\n

\uc774 \ud29c\ud1a0\ub9ac\uc5bc\uc5d0\uc11c\ub294 \uac01 \ud14c\uc2a4\ud2b8\uc5d0 \ub300\ud55c \uac00\uc815, \ud574\ub2f9 \uac00\uc815\uc774 \ucda9\uc871\ub418\ub294\uc9c0 \ud655\uc778\ud558\ub294 \ubc29\ubc95, \uc704\ubc18\ud560 \uacbd\uc6b0 \uc218\ud589\ud560 \uc791\uc5c5\uc5d0 \ub300\ud574 \uc124\uba85\ud569\ub2c8\ub2e4.<\/span><\/p>\n

ANOVA\uc758 \ub4f1\ubd84\uc0b0 \uac00\uc815<\/strong><\/span><\/h3>\n

ANOVA<\/strong> (“\ubd84\uc0b0 \ubd84\uc11d”)\ub294 \uc138 \uac1c \uc774\uc0c1\uc758 \ub3c5\ub9bd \uadf8\ub8f9 \ud3c9\uade0 \uac04\uc5d0 \uc720\uc758\ud55c \ucc28\uc774\uac00 \uc788\ub294\uc9c0 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n

\ub2e4\uc74c\uc740 ANOVA\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0\uc758 \uc608\uc785\ub2c8\ub2e4.<\/span><\/p>\n

\n

\uccb4\uc911 \uac10\ub7c9 \uc2e4\ud5d8\uc5d0 \ucc38\uc5ec\ud560 90\uba85\uc744 \ubaa8\uc9d1\ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud55c \ub2ec \ub3d9\uc548 \ud504\ub85c\uadf8\ub7a8 A, B, C\ub97c \uc0ac\uc6a9\ud558\ub3c4\ub85d \ubb34\uc791\uc704\ub85c 30\uba85\uc744 \ud560\ub2f9\ud569\ub2c8\ub2e4.<\/span><\/p>\n

\ud504\ub85c\uadf8\ub7a8\uc774 \uccb4\uc911 \uac10\ub7c9\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294\uc9c0 \ud655\uc778\ud558\uae30 \uc704\ud574 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc744<\/a> \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<\/blockquote>\n

ANOVA\ub294 \uac01 \uadf8\ub8f9\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \uc774 \uac00\uc124\uc774 \uc0ac\uc2e4\uc778\uc9c0 \ud14c\uc2a4\ud2b8\ud558\ub294 \ubc29\ubc95\uc5d0\ub294 \ub450 \uac00\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

1. \uc0c1\uc790 \uadf8\ub9bc\uc744 \ub9cc\ub4ed\ub2c8\ub2e4.<\/strong><\/span> <\/p>\n

\"\"<\/h3>\n

\uc0c1\uc790 \uadf8\ub9bc\uc740 \ub4f1\ubd84\uc0b0 \uac00\uc815\uc744 \ud655\uc778\ud558\ub294 \uc2dc\uac01\uc801 \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/span><\/p>\n

\uac01 \uadf8\ub8f9\uc758 \uccb4\uc911 \uac10\uc18c \ucc28\uc774\ub294 \uac01 \uc0c1\uc790 \uadf8\ub9bc\uc758 \uae38\uc774\ub97c \ud1b5\ud574 \uad00\ucc30\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0c1\uc790\uac00 \uae38\uc218\ub85d \ubd84\uc0b0\uc774 \ub192\uc544\uc9d1\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud504\ub85c\uadf8\ub7a8 A \ubc0f \ud504\ub85c\uadf8\ub7a8 B\uc5d0 \ube44\ud574 \ud504\ub85c\uadf8\ub7a8 C \ucc38\uac00\uc790\uc758 \ucc28\uc774\uac00 \uc57d\uac04 \ub354 \ub192\ub2e4\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

2. Bartlett \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud569\ub2c8\ub2e4.<\/strong><\/span><\/p>\n

Bartlett \uac80\uc815\uc740<\/a> \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\uc9c0 \uc54a\ub2e4\ub294 \ub300\ub9bd \uac00\uc124\uc5d0 \ub300\ud574 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\ub2e4\ub294 \uadc0\ubb34\uac00\uc124\uc744 \ud14c\uc2a4\ud2b8\ud569\ub2c8\ub2e4.<\/span><\/p>\n

\uac80\uc815\uc758 p-\uac12\uc774 \ud2b9\uc815 \uc720\uc758 \uc218\uc900(\uc608: 0.05)\ubcf4\ub2e4 \ub0ae\uc73c\uba74 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ubaa8\ub450 \ub3d9\uc77c\ud558\uc9c0 \uc54a\ub2e4\ub294 \uc99d\uac70\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\ub4f1\ubd84\uc0b0 \uac00\uc815\uc774 \ucda9\uc871\ub418\uc9c0 \uc54a\uc73c\uba74 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/strong><\/span><\/p>\n

\uc77c\ubc18\uc801\uc73c\ub85c<\/span> ANOVA\ub294 \uac01 \uadf8\ub8f9\uc774 \ub3d9\uc77c\ud55c \ud45c\ubcf8 \ud06c\uae30\ub97c \uac16\ub294 \ud55c \ub4f1\ubd84\uc0b0 \uac00\uc815 \uc704\ubc18\uc5d0 \ub300\ud574 \uc0c1\ub2f9\ud788 \uacac\uace0\ud55c \uac83\uc73c\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4.<\/span><\/p>\n

\uadf8\ub7ec\ub098 \ud45c\ubcf8 \ud06c\uae30\uac00 \ub3d9\uc77c\ud558\uc9c0 \uc54a\uace0 \uc774 \uac00\uc815\uc774 \uc2ec\uac01\ud558\uac8c \uc704\ubc18\ub418\ub294 \uacbd\uc6b0 \ub300\uc2e0 \uc77c\uc6d0 \ubd84\uc0b0 \ubd84\uc11d\uc758 \ube44\ubaa8\uc218\uc801 \ubc84\uc804\uc778 Kruskal-Wallis \uac80\uc815\uc744<\/a> \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

t-\uac80\uc815\uc758 \ub4f1\ubd84\uc0b0 \uac00\uc815<\/strong><\/span><\/h3>\n

2-\ud45c\ubcf8 t-\uac80\uc815\uc740<\/a> \ub450 \ubaa8\uc9d1\ub2e8\uc758 \ud3c9\uade0\uc774 \uac19\uc740\uc9c0 \uc5ec\ubd80\ub97c \uac80\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n

\ud14c\uc2a4\ud2b8\uc5d0\uc11c\ub294 \ub450 \uadf8\ub8f9 \uac04\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.<\/span> \uc774 \uac00\uc124\uc774 \uc0ac\uc2e4\uc778\uc9c0 \ud14c\uc2a4\ud2b8\ud558\ub294 \ubc29\ubc95\uc5d0\ub294 \ub450 \uac00\uc9c0\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

1. \uacbd\ud5d8\uc801\uc73c\ub85c \ube44\uc728 \ubc95\uce59\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/strong><\/span><\/p>\n

\uc77c\ubc18\uc801\uc73c\ub85c \uac00\uc7a5 \ud070 \ubd84\uc0b0\uacfc \uac00\uc7a5 \uc791\uc740 \ubd84\uc0b0\uc758 \ube44\uc728\uc774 4\ubcf4\ub2e4 \uc791\uc73c\uba74 \ubd84\uc0b0\uc774 \ub300\ub7b5 \uac19\ub2e4\uace0 \uac00\uc815\ud558\uace0 2-\ud45c\ubcf8 t-\uac80\uc815\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc608\ub97c \ub4e4\uc5b4, \ud45c\ubcf8 1\uc758 \ubd84\uc0b0\uc774 24.5\uc774\uace0 \ud45c\ubcf8 2\uc758 \ubd84\uc0b0\uc774 15.2\ub77c\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \uac00\uc7a5 \ud070 \ud45c\ubcf8 \ubd84\uc0b0\uacfc \uac00\uc7a5 \uc791\uc740 \ud45c\ubcf8 \ubd84\uc0b0\uc758 \ube44\uc728\uc740 24.5 \/ 15.2 = 1.61\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/span><\/p>\n

\uc774 \ube44\uc728\uc774 4\ubcf4\ub2e4 \uc791\uc73c\ubbc0\ub85c \ub450 \uadf8\ub8f9 \uac04\uc758 \ucc28\uc774\uac00 \uac70\uc758 \ub3d9\uc77c\ud558\ub2e4\uace0 \uac00\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

2. F-\uac80\uc815\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/strong><\/span><\/p>\n

F-\uac80\uc815\uc740<\/strong> \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\uc9c0 \uc54a\ub2e4\ub294 \ub300\ub9bd \uac00\uc124\uc5d0 \ub300\ud574 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\ub2e4\ub294 \uadc0\ubb34\uac00\uc124\uc744 \uac80\uc815\ud569\ub2c8\ub2e4.<\/span><\/p>\n

\uac80\uc815\uc758 p-\uac12\uc774 \ud2b9\uc815 \uc720\uc758 \uc218\uc900(\uc608: 0.05)\ubcf4\ub2e4 \ub0ae\uc73c\uba74 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ubaa8\ub450 \ub3d9\uc77c\ud558\uc9c0 \uc54a\ub2e4\ub294 \uc99d\uac70\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\ub4f1\ubd84\uc0b0 \uac00\uc815\uc774 \ucda9\uc871\ub418\uc9c0 \uc54a\uc73c\uba74 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/strong><\/span><\/p>\n

\uc774 \uac00\uc815\uc774 \uc704\ubc18\ub418\uba74 Welch\uc758 t-\uac80\uc815\uc744<\/a> \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 2-\ud45c\ubcf8 t-\uac80\uc815\uc758 \ube44\ubaa8\uc218\uc801 \ubc84\uc804\uc774\uba70 \ub450 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc774 \ub3d9\uc77c\ud558\ub2e4\uace0 \uac00\uc815\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc120\ud615 \ud68c\uadc0 \ubd84\uc11d\uc758 \ub4f1\ubd84\uc0b0 \uac00\uc815<\/strong><\/span><\/h3>\n

\uc120\ud615 \ud68c\uadc0\ub294<\/a> \ud558\ub098 \uc774\uc0c1\uc758 \uc608\uce21 \ubcc0\uc218\uc640 \ubc18\uc751 \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\ub97c \uc218\ub7c9\ud654\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/span><\/p>\n

\uc120\ud615 \ud68c\uadc0 \ubd84\uc11d\uc5d0\uc11c\ub294 \uc794\ucc28\uac00<\/a> \uc608\uce21 \ubcc0\uc218\uc758 \uac01 \uc218\uc900\uc5d0\uc11c \uc77c\uc815\ud55c \ubd84\uc0b0\uc744 \uac16\ub294\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \uc774\uac83\uc744 \ub3d9\ubd84\uc0b0\uc131<\/em> \uc774\ub77c\uace0 \ud569\ub2c8\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc740 \uacbd\uc6b0 \uc794\ucc28\uc5d0 \uc774\ubd84\uc0b0\uc131\uc774<\/em><\/a> \ubc1c\uc0dd\ud558\uc5ec \ud68c\uadc0 \ubd84\uc11d \uacb0\uacfc\ub97c \uc2e0\ub8b0\ud560 \uc218 \uc5c6\uac8c \ub429\ub2c8\ub2e4.<\/span><\/p>\n

\uc774 \uac00\uc815\uc774 \ucda9\uc871\ub418\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc740 \uc794\ucc28 \ub300 \uc801\ud569\uce58\uc758 \ub3c4\ud45c\ub97c \uc791\uc131\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 \uadf8\ub798\ud504\uc758 \uc794\ucc28\uac00 0 \uc8fc\uc704\uc5d0 \ubb34\uc791\uc704\ub85c \ud769\uc5b4\uc838 \uc788\ub294 \uac83\ucc98\ub7fc \ubcf4\uc774\uba74 \ub4f1\ubd84\uc0b0\uc131 \uac00\uc815\uc774 \ucda9\uc871\ub420 \uac00\ub2a5\uc131\uc774 \ub192\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uadf8\ub7ec\ub098 \ub2e4\uc74c \uadf8\ub798\ud504\uc758 “\uc6d0\ubfd4” \ubaa8\uc591\uacfc \uac19\uc774 \uc794\ucc28\uc5d0 \uccb4\uacc4\uc801\uc778 \ucd94\uc138\uac00 \uc788\ub294 \uacbd\uc6b0 \uc774\ubd84\uc0b0\uc131\uc774 \ubb38\uc81c\uac00 \ub429\ub2c8\ub2e4.<\/span><\/p>\n

\ub4f1\ubd84\uc0b0 \uac00\uc815\uc774 \ucda9\uc871\ub418\uc9c0 \uc54a\uc73c\uba74 \uc5b4\ub5bb\uac8c \ub418\ub098\uc694?<\/strong><\/span><\/p>\n

\uc774 \uac00\uc815\uc774 \uc704\ubc18\ub418\ub294 \uacbd\uc6b0 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ubc29\ubc95\uc740 \ub2e4\uc74c \uc138 \uac00\uc9c0 \ubcc0\ud658 \uc911 \ud558\ub098\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc751\ub2f5 \ubcc0\uc218\ub97c \ubcc0\ud658\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/span><\/p>\n

1. \ub85c\uadf8 \ubcc0\ud658:<\/strong> \uc751\ub2f5 \ubcc0\uc218\ub97c y\uc5d0\uc11c log(y)<\/strong> \ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/span><\/p>\n

2. \uc81c\uacf1\uadfc \ubcc0\ud658:<\/strong> \uc751\ub2f5 \ubcc0\uc218\ub97c y\uc5d0\uc11c \u221ay<\/span><\/strong> \ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/span><\/p>\n

3. \uc138\uc81c\uacf1\uadfc \ubcc0\ud658:<\/strong> \uc751\ub2f5 \ubcc0\uc218\ub97c y\uc5d0\uc11c y 1\/3<\/sup><\/strong> \uc73c\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/span><\/p>\n

\uc774\ub7ec\ud55c \ubcc0\ud658\uc744 \uc218\ud589\ud558\uba74 \uc77c\ubc18\uc801\uc73c\ub85c \uc774\ubd84\uc0b0\uc131 \ubb38\uc81c\uac00 \uc0ac\ub77c\uc9d1\ub2c8\ub2e4.<\/span><\/p>\n

\uc774\ubd84\uc0b0\uc131\uc744 \uc218\uc815\ud558\ub294 \ub610 \ub2e4\ub978 \ubc29\ubc95\uc740 \uac00\uc911\uce58 \ucd5c\uc18c \uc81c\uacf1 \ud68c\uadc0\ub97c<\/a> \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774 \uc720\ud615\uc758 \ud68c\uadc0\ub294 \uc801\ud569\uce58\uc758 \ubd84\uc0b0\uc744 \uae30\ubc18\uc73c\ub85c \uac01 \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\uc5d0 \uac00\uc911\uce58\ub97c \ud560\ub2f9\ud569\ub2c8\ub2e4.<\/span><\/p>\n

\ubcf8\uc9c8\uc801\uc73c\ub85c \uc774\ub294 \ubd84\uc0b0\uc774 \ub354 \ub192\uc740 \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\uc5d0 \ub0ae\uc740 \uac00\uc911\uce58\ub97c \ubd80\uc5ec\ud558\uc5ec \uc794\ucc28 \uc81c\uacf1\uc744 \uc904\uc785\ub2c8\ub2e4. \uc801\uc808\ud55c \uac00\uc911\uce58\ub97c \uc0ac\uc6a9\ud558\uba74 \uc774\ubd84\uc0b0\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\ucd94\uac00 \ub9ac\uc18c\uc2a4<\/strong><\/span><\/h3>\n

ANOVA\ub85c \uacf5\uc2dd\ud654\ub41c \uc138 \uac00\uc9c0 \uac00\uc124<\/a>
T \ud14c\uc2a4\ud2b8\uc5d0\uc11c \uacf5\uc2dd\ud654\ub41c \ub124 \uac00\uc9c0 \uac00\uc124<\/a>
\uc120\ud615 \ud68c\uadc0\uc758 \ub124 \uac00\uc9c0 \uac00\uc815<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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