{"id":40774,"date":"2024-11-04T12:20:23","date_gmt":"2024-11-04T12:20:23","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=40774"},"modified":"2024-11-26T06:38:29","modified_gmt":"2024-11-26T06:38:29","slug":"21-%ea%b0%80%ec%84%a4-%ea%b2%80%ec%a0%95hypothesis-testing-%ec%9c%a0%ec%9d%98-%ec%88%98%ec%a4%80%ea%b3%bc-%ea%b2%80%ec%a0%95-%ed%86%b5%ea%b3%84%eb%9f%89%ec%9d%98-%ed%95%b4%ec%84%9d","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/40774\/","title":{"rendered":"21.\uac00\uc124 \uac80\uc815(Hypothesis Testing), \uc720\uc758 \uc218\uc900\uacfc \uac80\uc815 \ud1b5\uacc4\ub7c9\uc758 \ud574\uc11d"},"content":{"rendered":"<p>\uac00\uc124 \uac80\uc815(hypothesis testing)\uc740 \ud1b5\uacc4\ud559\uc5d0\uc11c \uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130\uc758 \uc9d1\ud569\uc744 \uae30\ubc18\uc73c\ub85c \ud2b9\uc815 \uac00\uc124\uc774 \ucc38\uc778\uc9c0 \uac70\uc9d3\uc778\uc9c0 \ud310\ub2e8\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub294 \uacfc\ud559\uc801 \uc5f0\uad6c, \uacbd\uc81c\ud559, \uc0dd\ubb3c\ud559, \uc2ec\ub9ac\ud559 \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \uac00\uc124 \uac80\uc815\uc758 \uae30\ubcf8 \uac1c\ub150, \uc720\uc758 \uc218\uc900(significance level)\uc758 \uc758\ubbf8, \uac80\uc815 \ud1b5\uacc4\ub7c9(test statistic)\uc758 \ud574\uc11d \ub4f1\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>1. \uac00\uc124\uc758 \uc815\uc758<\/h2>\n<p>\uac00\uc124 \uac80\uc815\uc758 \uccab \ub2e8\uacc4\ub294 \ub450 \uac1c\uc758 \uc11c\ub85c \ubc30\ud0c0\uc801\uc778 \uac00\uc124\uc744 \uc124\uc815\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ub450 \uac00\uc9c0 \uac00\uc124\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uadc0\ubb34\uac00\uc124 (Null Hypothesis, H<sub>0<\/sub>):<\/strong> \uac80\uc815\ud558\ub824\ub294 \uc8fc\uc7a5\uc744 \ub098\ud0c0\ub0b4\uba70, \ubcf4\ud1b5 \ud6a8\uacfc\uac00 \uc5c6\ub2e4\uac70\ub098 \ucc28\uc774\uac00 \uc5c6\ub2e4\ub294 \uc8fc\uc7a5\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub300\ub9bd\uac00\uc124 (Alternative Hypothesis, H<sub>a<\/sub>):<\/strong> \uadc0\ubb34\uac00\uc124\uacfc \uc0c1\ubc18\ub418\ub294 \uc8fc\uc7a5\uc744 \ud3ec\ud568\ud558\uba70, \ud6a8\uacfc\uac00 \uc788\uac70\ub098 \ucc28\uc774\uac00 \uc788\ub2e4\ub294 \uc8fc\uc7a5\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>2. \uc720\uc758 \uc218\uc900 (Significance Level)<\/h2>\n<p>\uc720\uc758 \uc218\uc900\uc740 \uac00\uc124 \uac80\uc815\uc5d0\uc11c \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud560 \uae30\uc900\uc774 \ub418\ub294 \uac12\uc73c\ub85c, \uc77c\ubc18\uc801\uc73c\ub85c \u03b1 (\uc54c\ud30c)\ub85c \ud45c\uae30\ud569\ub2c8\ub2e4. \uc774\ub294 \uadc0\ubb34\uac00\uc124\uc774 \ucc38\uc77c \ub54c, \ub300\ub9bd\uac00\uc124\uc744 \uc798\ubabb \ucc44\ud0dd\ud560 \ud655\ub960\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ud754\ud788 \uc0ac\uc6a9\ub418\ub294 \uc720\uc758 \uc218\uc900\uc740 0.05, 0.01 \ubc0f 0.10\uc785\ub2c8\ub2e4.<\/p>\n<p>\uc608\ub97c \ub4e4\uc5b4, \u03b1 = 0.05\ub77c\uba74, \uc774 \uc720\uc758 \uc218\uc900\uc5d0\uc11c \uadc0\ubb34\uac00\uc124\uc774 \ucc38\uc77c \ub54c, 5%\uc758 \ud655\ub960\ub85c \uc798\ubabb\ub41c \uacb0\ub860\uc744 \ub0b4\ub9b4 \uc218 \uc788\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc989, \uc2e4\ud5d8 \uacb0\uacfc\uac00 \uc6b0\uc5f0\uc73c\ub85c \uadc0\ubb34\uac00\uc124\uc774 \ucc38\uc77c \ud655\ub960\uc5d0 \ud574\ub2f9\ud558\ubbc0\ub85c, \u03b1 \uac12\uc774 \ub0ae\uc744\uc218\ub85d \ub354 \uc5c4\uaca9\ud55c \uae30\uc900\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<h3>\uc720\uc758 \uc218\uc900\uc758 \uacb0\uc815<\/h3>\n<p>\uc720\uc758 \uc218\uc900\uc740 \uc5f0\uad6c\uc758 \uc131\uaca9\uacfc \ubd84\uc57c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uacb0\ud575\ud658\uc790\uc758 \uc2e0\uc57d \uc784\uc0c1\uc2dc\ud5d8\uc5d0\uc11c\ub294 \u03b1 = 0.01\uc744 \uc120\ud0dd\ud558\uc5ec \uc798\ubabb\ub41c \uacb0\ub860\uc758 \uac00\ub2a5\uc131\uc744 \uc904\uc774\ub294 \ubc18\uba74, \uc18c\ube44\uc790 \uc124\ubb38 \uc870\uc0ac\uc640 \uac19\uc740 \ube44\uc988\ub2c8\uc2a4 \ubcc0\uc218\uc5d0\uc11c\ub294 \u03b1 = 0.05\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\ud5a5\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>3. \uac80\uc815 \ud1b5\uacc4\ub7c9 (Test Statistic)<\/h2>\n<p>\uac80\uc815 \ud1b5\uacc4\ub7c9\uc740 \uad00\ucc30\ub41c \ub370\uc774\ud130\uac00 \uadc0\ubb34\uac00\uc124 \ud558\uc5d0\uc11c \uc5bc\ub9c8\ub098 \uc77c\uc5b4\ub0a0 \uc218 \uc788\ub294\uc9c0\ub97c \uce21\uc815\ud558\ub294 \uc218\uce58\ub85c, \uc774\ub97c \ud1b5\ud574 \uc720\uc758 \uc218\uc900\uc5d0 \ub530\ub978 \uadc0\ubb34\uac00\uc124 \uae30\uac01 \uc5ec\ubd80\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4. \uac01 \uac00\uc124 \uac80\uc815 \ubc29\ubc95\ub9c8\ub2e4 \uadf8\uc5d0 \ub9de\ub294 \uac80\uc815 \ud1b5\uacc4\ub7c9\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\uac80\uc815 \ud1b5\uacc4\ub7c9\uc758 \uc885\ub958<\/h3>\n<ul>\n<li><strong>Z-\uac80\uc815:<\/strong> \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \ud06c\uace0 \ud45c\uc900\ud3b8\ucc28\uac00 \uc54c\ub824\uc9c4 \uacbd\uc6b0\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. Z-\uac80\uc815\uc740 \ud45c\ubcf8 \ud3c9\uade0\uacfc \ubaa8\ud3c9\uade0\uc758 \ucc28\uc774\ub97c \uce21\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>T-\uac80\uc815:<\/strong> \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \uc791\uace0 \ubaa8\ud45c\uc900\ud3b8\ucc28\uac00 \uc54c\ub824\uc9c0\uc9c0 \uc54a\uc740 \uacbd\uc6b0\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. T-\uac12\uc740 \ud45c\ubcf8 \ud3c9\uade0\uacfc \ubaa8\ud3c9\uade0 \uac04\uc758 \ucc28\uc774\ub97c \uce21\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uce74\uc774-\uc81c\uacf1 \uac80\uc815:<\/strong> \ubc94\uc8fc\ud615 \ub370\uc774\ud130(\uce74\uc774\uc81c\uacf1 \ud1b5\uacc4\ub7c9)\uac00 \uc8fc\uc5b4\uc84c\uc744 \ub54c \uc9d1\ub2e8 \uac04\uc758 \ucc28\uc774\ub97c \ubd84\uc11d\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>ANOVA (\ubd84\uc0b0\ubd84\uc11d):<\/strong> \uc138 \uac1c \uc774\uc0c1\uc758 \uadf8\ub8f9\uc758 \ud3c9\uade0\uc744 \ube44\uad50\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uac80\uc815 \ud1b5\uacc4\ub7c9\uc740 \uadc0\ubb34\uac00\uc124\uc774 \ub9de\ub294\ub2e4\uba74 \uc5b4\ub5bb\uac8c \ubd84\ud3ec\ud560\uc9c0\ub97c \ub098\ud0c0\ub0b4\uba70, \uc774\ub97c \ud1b5\ud574 \uacc4\uc0b0\ub41c \uac12\uc774 \uc720\uc758 \uc218\uc900 \ubc94\uc704 \ub0b4\uc5d0 \uc788\ub294\uc9c0 \ud655\uc778\ud568\uc73c\ub85c\uc368 \uadc0\ubb34\uac00\uc124\uc758 \uae30\uac01 \uc5ec\ubd80\ub97c \ud310\ub2e8\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n<h2>4. \uac00\uc124\uac80\uc815\uc758 \uc808\ucc28<\/h2>\n<ol>\n<li>\uac00\uc124 \uc124\uc815: \uadc0\ubb34\uac00\uc124(H<sub>0<\/sub>)\uacfc \ub300\ub9bd\uac00\uc124(H<sub>a<\/sub>)\uc744 \uc124\uc815\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc720\uc758 \uc218\uc900 \uacb0\uc815: \u03b1 \uac12\uc744 \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/li>\n<li>\uac80\uc815 \ud1b5\uacc4\ub7c9 \uacc4\uc0b0: \ud45c\ubcf8 \ub370\uc774\ud130\uc5d0\uc11c \uac80\uc815 \ud1b5\uacc4\ub7c9\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc720\uc758\uad6c\uac04 \ud655\uc778: \uacc4\uc0b0\ub41c \uac80\uc815 \ud1b5\uacc4\ub7c9\uacfc \uc720\uc758 \uc218\uc900\uc5d0 \ub530\ub978 \uc720\uc758\uad6c\uac04\uc744 \ube44\uad50\ud569\ub2c8\ub2e4.<\/li>\n<li>\uacb0\ub860 \ub3c4\ucd9c: \uac80\uc815 \ud1b5\uacc4\ub7c9\uc774 \uc720\uc758\uad6c\uac04 \ub0b4\uc5d0 \uc788\uc73c\uba74 \uadc0\ubb34\uac00\uc124\uc744 \ucc44\ud0dd\ud558\uace0, \ubc94\uc704\ub97c \ubc97\uc5b4\ub098\uba74 \uae30\uac01\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h3>\uc608\uc2dc: Z-\uac80\uc815<\/h3>\n<p>\uc774\uc81c Z-\uac80\uc815\uc758 \uc608\ub97c \ud1b5\ud574 \uc774 \uacfc\uc815\uc744 \ub354\uc6b1 \uba85\ud655\ud788 \ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uac00\uc815: \ud55c \uc81c\uc57d\ud68c\uc0ac\uac00 \ube44\ud0c0\ubbfcC\uc758 \ud3c9\uade0 \ud568\ub7c9\uc774 100mg\uc774\ub77c\uace0 \uc8fc\uc7a5\ud558\uace0 \uc788\ub2e4\uace0 \uac00\uc815\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc18c\ube44\uc790 \ub2e8\uccb4\uac00 \uc774 \uc8fc\uc7a5\uc744 \uac80\uc99d\ud558\uace0\uc790 \ud569\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ub2e4\uc74c\uacfc \uac19\uc740 \uac00\uc124\uc744 \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li>H<sub>0<\/sub>: \u03bc = 100 (\ube44\ud0c0\ubbfcC\uc758 \ud3c9\uade0 \ud568\ub7c9\uc740 100mg\uc774\ub2e4.)<\/li>\n<li>H<sub>a<\/sub>: \u03bc \u2260 100 (\ube44\ud0c0\ubbfcC\uc758 \ud3c9\uade0 \ud568\ub7c9\uc740 100mg\uc774 \uc544\ub2c8\ub2e4.)<\/li>\n<\/ul>\n<p>\uc774\ud6c4, \uc18c\ube44\uc790 \ub2e8\uccb4\ub294 \ubb34\uc791\uc704\ub85c 30\uac1c\uc758 \uc0d8\ud50c\uc744 \uc218\uc9d1\ud558\uace0, \ud45c\ubcf8 \ud3c9\uade0(\u0233)\uacfc \ud45c\uc900\ud3b8\ucc28(s)\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \u0233 = 95mg, s = 10mg\uc774\ub77c\uace0 \uac00\uc815\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774\uc81c \u03b1 = 0.05\ub85c \uacb0\uc815\ud588\ub2e4\uace0 \uac00\uc815\ud558\uace0, Z-\uac80\uc815\uc744 \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. Z-\ud1b5\uacc4\ub7c9\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/p>\n<pre>\nZ = (\u0233 - \u03bc<sub>0<\/sub>) \/ (s \/ \u221an)\n<\/pre>\n<p>\uc5ec\uae30\uc11c \u03bc<sub>0<\/sub>\ub294 \uadc0\ubb34\uac00\uc124\uc5d0 \uc758\ud55c \ubaa8\ud3c9\uade0(100), n\uc740 \ud45c\ubcf8 \ud06c\uae30(30)\uc785\ub2c8\ub2e4. \uc774\ub97c \ub300\uc785\ud558\uc5ec Z-\uac12\uc744 \uacc4\uc0b0\ud574\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>5. \uac80\uc815 \uacb0\uacfc\uc758 \ud574\uc11d<\/h2>\n<p>\uacc4\uc0b0\ub41c Z-\uac12\uc740 Z-\ubd84\ud3ec\uc5d0 \ub530\ub77c \ud574\uc11d\ub418\uba70, 1.96\ubcf4\ub2e4 \ud06c\uba74 \uc720\uc758 \uc218\uc900 \u03b1 = 0.05\uc5d0\uc11c \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub9cc\uc57d \uacc4\uc0b0\ub41c Z-\uac12\uc774 -1.96\uacfc 1.96 \uc0ac\uc774\uc5d0 \uc788\ub2e4\uba74 \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud558\uc9c0 \uc54a\uace0 \uc218\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub7f0 \uc2dd\uc73c\ub85c \uc790\uc2e0\uc758 \uc5f0\uad6c \uacb0\uacfc\ub97c \ubc14\ud0d5\uc73c\ub85c \ud55c \uac00\uc124 \uc2dc\ud5d8\uc744 \uc815\ub9bd\ud568\uc73c\ub85c\uc368, \uacfc\ud559\uc801 \ubc1c\uacac\uc5d0 \uae30\uc5ec\ud558\uace0 \uc0c8\ub85c\uc6b4 \uc9c0\uc2dd\uc744 \uc0dd\uc131\ud558\ub294 \ub370 \uc758\uc758\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>6. \uacb0\ub860<\/h2>\n<p>\uac00\uc124 \uac80\uc815\uc740 \ub370\uc774\ud130 \ubd84\uc11d\uc758 \uc911\uc694\ud55c \ub2e8\uacc4\ub85c, \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc720\uc758 \uc218\uc900\uacfc \uac80\uc815 \ud1b5\uacc4\ub7c9\uc740 \uac01\uac01\uc758 \uacfc\uc815\uc744 \uacb0\uc815\ud558\ub294 \uc911\uc694\ud55c \uc694\uc18c\ub4e4\ub85c, \uc5f0\uad6c\uc790\uc758 \ud310\ub2e8\uc5d0 \ub530\ub77c \uc801\uc808\ud788 \uc124\uc815\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. \ubcf8 \uac15\uc88c\ub97c \ud1b5\ud574 \uac00\uc124 \uac80\uc815\uc758 \uae30\ucd08\uc640 \uae30\ubcf8\uc801\uc778 \uc808\ucc28\ub97c \uc774\ud574\ud560 \uc218 \uc788\uc5c8\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacfc\uc815\uc740 \uc6b0\ub9ac\uac00 \ub370\uc774\ud130\ub97c \ud3c9\uac00\ud558\uace0 \ud574\uc11d\ud558\ub294 \ub370 \uc788\uc5b4 \uc911\uc694\ud55c \ub3c4\uad6c\ub85c \uc791\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub354 \ub098\uc544\uac00, \ud1b5\uacc4\uc801 \uac80\uc99d\uc740 \uc2e4\uc81c \uc758\uc0ac\uacb0\uc815 \uacfc\uc815\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc73c\uba70, \uc798\ubabb\ub41c \uac00\uc815\uc774\ub098 \uacb0\ub860\uc5d0 \ub3c4\ub2ec\ud560 \uacbd\uc6b0 \uc608\uc0c1\uce58 \ubabb\ud55c \uacb0\uacfc\ub97c \ucd08\ub798\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uac00\uc124 \uac80\uc815\uc758 \uc6d0\uce59\uc744 \uc62c\ubc14\ub974\uac8c \uc774\ud574\ud558\uace0, \uacbd\ud5d8\uc744 \ud1b5\ud574 \uc2e4\uc81c \uc5f0\uad6c\uc5d0 \uc801\uc6a9\ud558\ub294 \uac83\uc774 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h2>\ucc38\uace0 \ubb38\ud5cc<\/h2>\n<ul>\n<li>Bakker, M., &amp; Wicherts, J. M. (2011). The relation between statistical power and the level of significance: A review of the literature. <em>Psychological Bulletin<\/em>, 137(3), 316.<\/li>\n<li>Wasserstein, R. L., &amp; Lazar, N. A. (2016). The ASA&#8217;s Statement on P-Values: Context, Process, and Purpose. <em>American Statistician<\/em>, 70(1), 129-133.<\/li>\n<li>Field, A., &amp; Miles, J. (2010). Discovering Statistics Using R. Sage Publications.<\/li>\n<\/ul>\n<p>\uc774\uc81c, \ud1b5\uacc4\ud559\uc758 \uae30\ucd08\uc801\uc778 \uc694\uc18c\uc778 \uac00\uc124 \uac80\uc815\uc5d0 \ub300\ud55c \uc774\ud574\uac00 \ub418\uc5c8\uae30\ub97c \ubc14\ub78d\ub2c8\ub2e4. \uc774 \ub0b4\uc6a9\uc744 \ubc14\ud0d5\uc73c\ub85c \ub2e4\uc591\ud55c \ub370\uc774\ud130\uc640 \uc2e4\ud5d8\uc5d0 \ub300\ud55c \ubd84\uc11d\uc744 \uc2dc\ub3c4\ud574\ubcf4\ub294 \uac83\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uac00\uc124 \uac80\uc815(hypothesis testing)\uc740 \ud1b5\uacc4\ud559\uc5d0\uc11c \uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130\uc758 \uc9d1\ud569\uc744 \uae30\ubc18\uc73c\ub85c \ud2b9\uc815 \uac00\uc124\uc774 \ucc38\uc778\uc9c0 \uac70\uc9d3\uc778\uc9c0 \ud310\ub2e8\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub294 \uacfc\ud559\uc801 \uc5f0\uad6c, \uacbd\uc81c\ud559, \uc0dd\ubb3c\ud559, \uc2ec\ub9ac\ud559 \ub4f1 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubcf8 \uac15\uc88c\uc5d0\uc11c\ub294 \uac00\uc124 \uac80\uc815\uc758 \uae30\ubcf8 \uac1c\ub150, \uc720\uc758 \uc218\uc900(significance level)\uc758 \uc758\ubbf8, \uac80\uc815 \ud1b5\uacc4\ub7c9(test statistic)\uc758 \ud574\uc11d \ub4f1\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. 1. \uac00\uc124\uc758 \uc815\uc758 \uac00\uc124 \uac80\uc815\uc758 \uccab \ub2e8\uacc4\ub294 \ub450 \uac1c\uc758 \uc11c\ub85c \ubc30\ud0c0\uc801\uc778 \uac00\uc124\uc744 &hellip; <a href=\"https:\/\/atmokpo.com\/w\/40774\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> &#8220;21.\uac00\uc124 \uac80\uc815(Hypothesis Testing), \uc720\uc758 \uc218\uc900\uacfc \uac80\uc815 \ud1b5\uacc4\ub7c9\uc758 \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-40774","post","type-post","status-publish","format-standard","hentry","category-219"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.2 - 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