{"id":40800,"date":"2024-11-04T12:20:33","date_gmt":"2024-11-04T12:20:33","guid":{"rendered":"https:\/\/atmokpo.com\/w\/?p=40800"},"modified":"2024-11-26T06:38:24","modified_gmt":"2024-11-26T06:38:24","slug":"33-%ec%b9%b4%ec%9d%b4%ec%a0%9c%ea%b3%b1-%ea%b2%80%ec%a0%95chi-square-test-%ec%a0%81%ed%95%a9%eb%8f%84-%ea%b2%80%ec%a0%95%ea%b3%bc-%eb%8f%85%eb%a6%bd%ec%84%b1-%ea%b2%80%ec%a0%95%ec%9d%98-%ed%95%b4","status":"publish","type":"post","link":"https:\/\/atmokpo.com\/w\/40800\/","title":{"rendered":"33.\uce74\uc774\uc81c\uacf1 \uac80\uc815(Chi-Square Test), \uc801\ud569\ub3c4 \uac80\uc815\uacfc \ub3c5\ub9bd\uc131 \uac80\uc815\uc758 \ud574\uc11d"},"content":{"rendered":"<p>\uce74\uc774\uc81c\uacf1 \uac80\uc815(Chi-Square Test)\uc740 \uad00\ucc30\ub41c \ub370\uc774\ud130\uc640 \uae30\ub300\ub418\ub294 \ub370\uc774\ud130 \uac04\uc758 \ucc28\uc774\ub97c \ud3c9\uac00\ud558\ub294 \ud1b5\uacc4\uc801 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub294 \uc8fc\ub85c \ubc94\uc8fc\ud615 \ub370\uc774\ud130(categorical data)\uc758 \ubd84\uc11d\uc5d0 \uc0ac\uc6a9\ub418\uba70, \ub450 \uac00\uc9c0 \uc8fc\uc694 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4: \uc801\ud569\ub3c4 \uac80\uc815(Goodness of Fit Test)\uacfc \ub3c5\ub9bd\uc131 \uac80\uc815(Test of Independence). \ubcf8 \uae00\uc5d0\uc11c\ub294 \uce74\uc774\uc81c\uacf1 \uac80\uc815\uc758 \uac1c\ub150, \uc218\uc2dd, \uc801\ud569\ub3c4 \uac80\uc815\uacfc \ub3c5\ub9bd\uc131 \uac80\uc815\uc758 \ucc28\uc774, \uadf8\ub9ac\uace0 \uac01 \uac80\uc815\uc758 \ud574\uc11d \ubc0f \uc801\uc6a9 \uc0ac\ub840\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>1. \uce74\uc774\uc81c\uacf1 \uac80\uc815\uc758 \uae30\ubcf8 \uac1c\ub150<\/h2>\n<p>\uce74\uc774\uc81c\uacf1 \uac80\uc815\uc740 \uad00\ucc30\ub41c \ube48\ub3c4(observed frequency)\uc640 \uae30\ub300 \ube48\ub3c4(expected frequency) \uac04\uc758 \ucc28\uc774\ub97c \uae30\ubc18\uc73c\ub85c \ub370\uc774\ud130\ub97c \ubd84\uc11d\ud569\ub2c8\ub2e4. \uce74\uc774\uc81c\uacf1 \uac12\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4:<\/p>\n<p><strong>\uce74\uc774\uc81c\uacf1 \ud1b5\uacc4\ub7c9<\/strong>\uc740 \ub2e4\uc74c\uacfc \ud568\uaed8 \uc815\uc758\ub429\ub2c8\ub2e4:<\/p>\n<p style=\"text-align: center;\">\n    \u03c7\u00b2 = \u2211((O\u1d62 &#8211; E\u1d62)\u00b2 \/ E\u1d62)\n<\/p>\n<p>\uc5ec\uae30\uc11c:<\/p>\n<ul>\n<li>\u03c7\u00b2: \uce74\uc774\uc81c\uacf1 \ud1b5\uacc4\ub7c9<\/li>\n<li>O\u1d62: i\ubc88\uc9f8 \ubc94\uc8fc\uc5d0\uc11c \uad00\ucc30\ub41c \ube48\ub3c4<\/li>\n<li>E\u1d62: i\ubc88\uc9f8 \ubc94\uc8fc\uc5d0\uc11c \uae30\ub300\ub418\ub294 \ube48\ub3c4<\/li>\n<\/ul>\n<p>\uce74\uc774\uc81c\uacf1 \ud1b5\uacc4\ub7c9\uc758 \uac12\uc774 \ud06c\uba74 \uad00\ucc30\ub41c \ube48\ub3c4\uc640 \uae30\ub300 \ube48\ub3c4 \uac04\uc758 \ucc28\uc774\uac00 \ud06c\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud558\uba70, \uc774\ub294 \uac00\uc124\uc744 \uae30\uac01\ud560 \uadfc\uac70\uac00 \ub429\ub2c8\ub2e4.<\/p>\n<h2>2. \uc801\ud569\ub3c4 \uac80\uc815(Goodness of Fit Test)<\/h2>\n<p>\uc801\ud569\ub3c4 \uac80\uc815\uc740 \ub2e8\uc77c \ubc94\uc8fc\ud615 \ub370\uc774\ud130 \uc138\ud2b8\uac00 \ud2b9\uc815 \ubd84\ud3ec\ub97c \ub530\ub974\ub294\uc9c0\ub97c \uac80\uc815\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc8fc\uc0ac\uc704\ub97c \ub358\uc84c\uc744 \ub54c \uac01 \uba74\uc774 \ub098\uc62c \ud655\ub960\uc740 \ub3d9\uc77c\ud558\ub2e4\uace0 \uac00\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub54c \uc8fc\uc0ac\uc704\uac00 \uacf5\uc815\ud558\uc9c0 \uc54a\ub2e4\ub294 \uac00\uc124\uc744 \uac80\uc99d\ud558\uae30 \uc704\ud574 \uc801\ud569\ub3c4 \uac80\uc815\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n<h3>2.1. \uc801\ud569\ub3c4 \uac80\uc815\uc758 \uc808\ucc28<\/h3>\n<ol>\n<li><strong>\uac00\uc124 \uc124\uc815<\/strong><\/li>\n<ul>\n<li>\uadc0\ubb34\uac00\uc124(H0): \ub370\uc774\ud130\uac00 \ud2b9\uc815 \ubd84\ud3ec\ub97c \ub530\ub978\ub2e4.<\/li>\n<li>\ub300\ub9bd\uac00\uc124(H1): \ub370\uc774\ud130\uac00 \ud2b9\uc815 \ubd84\ud3ec\ub97c \ub530\ub974\uc9c0 \uc54a\ub294\ub2e4.<\/li>\n<\/ul>\n<li><strong>\uae30\ub300 \ube48\ub3c4 \uacc4\uc0b0<\/strong><\/li>\n<ul>\n<li>\uac01 \ubc94\uc8fc\uc5d0 \ub300\ud55c \uae30\ub300 \ube48\ub3c4\ub97c \uacc4\uc0b0\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc8fc\uc0ac\uc704\ub97c 60\ubc88 \ub358\uc84c\ub2e4\uba74 \uac01 \uba74\uc5d0 \ub300\ud55c \uae30\ub300\uac12\uc740 60\/6 = 10\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<li><strong>\uce74\uc774\uc81c\uacf1 \ud1b5\uacc4\ub7c9 \uacc4\uc0b0<\/strong><\/li>\n<li><strong>p-\uac12 \uacc4\uc0b0<\/strong><\/li>\n<li><strong>\uacb0\uc815<\/strong><\/li>\n<\/ol>\n<h3>2.2. \uc608\uc81c<\/h3>\n<p>\uac00\uc815: \uc8fc\uc0ac\uc704\ub97c 60\ubc88 \ub358\uc84c\uc744 \ub54c \uac01 \uba74\uc774 \ub098\uc628 \ud69f\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4\uace0 \ud569\uc2dc\ub2e4:<\/p>\n<ul>\n<li>1: 8\ud68c<\/li>\n<li>2: 12\ud68c<\/li>\n<li>3: 10\ud68c<\/li>\n<li>4: 20\ud68c<\/li>\n<li>5: 5\ud68c<\/li>\n<li>6: 5\ud68c<\/li>\n<\/ul>\n<p>\uac01 \uba74\uc758 \uae30\ub300 \ube48\ub3c4\ub294 10\uc73c\ub85c \uc124\uc815\ub429\ub2c8\ub2e4. \uc774 \ub370\uc774\ud130\ub97c \ubc14\ud0d5\uc73c\ub85c \uce74\uc774\uc81c\uacf1 \ud1b5\uacc4\ub7c9\uc744 \uacc4\uc0b0\ud558\uba74:<\/p>\n<p style=\"text-align: center;\">\n    \u03c7\u00b2 = ((8-10)\u00b2\/10) + ((12-10)\u00b2\/10) + ((10-10)\u00b2\/10) + ((20-10)\u00b2\/10) + ((5-10)\u00b2\/10) + ((5-10)\u00b2\/10) = 6.0\n<\/p>\n<p>\uc790\uc720\ub3c4(df)\ub294 (\ubc94\uc8fc\uc758 \uc218 &#8211; 1)\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 6 &#8211; 1 = 5\uc785\ub2c8\ub2e4. \uce74\uc774\uc81c\uacf1 \ubd84\ud3ec\ub97c \uc0ac\uc6a9\ud558\uc5ec p-\uac12\uc744 \ud655\uc778\ud558\uace0, \uc124\uc815\ud55c \uc720\uc758\uc218\uc900(\uc608: \u03b1 = 0.05)\uacfc \ube44\uad50\ud558\uc5ec \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud560\uc9c0 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<h2>3. \ub3c5\ub9bd\uc131 \uac80\uc815(Test of Independence)<\/h2>\n<p>\ub3c5\ub9bd\uc131 \uac80\uc815\uc740 \ub450 \uac1c\uc758 \ubc94\uc8fc\ud615 \ubcc0\uc218\uac00 \uc11c\ub85c \ub3c5\ub9bd\uc778\uc9c0 \uc5ec\ubd80\ub97c \uac80\uc815\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc131\ubcc4\uacfc \ud761\uc5f0 \uc5ec\ubd80\uc758 \uad00\uacc4\ub97c \ubd84\uc11d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uac80\uc815\uc740 \uc8fc\ub85c \uad50\ucc28 \ubd84\ud560\ud45c(cross-tabulation)\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \ubc30\uc5f4\ud569\ub2c8\ub2e4.<\/p>\n<h3>3.1. \ub3c5\ub9bd\uc131 \uac80\uc815\uc758 \uc808\ucc28<\/h3>\n<ol>\n<li><strong>\uac00\uc124 \uc124\uc815<\/strong><\/li>\n<ul>\n<li>\uadc0\ubb34\uac00\uc124(H0): \ub450 \ubcc0\uc218\ub294 \ub3c5\ub9bd\uc801\uc774\ub2e4.<\/li>\n<li>\ub300\ub9bd\uac00\uc124(H1): \ub450 \ubcc0\uc218\ub294 \ub3c5\ub9bd\uc801\uc774\uc9c0 \uc54a\ub2e4.<\/li>\n<\/ul>\n<li><strong>\uae30\ub300 \ube48\ub3c4 \uacc4\uc0b0<\/strong><\/li>\n<p>\uae30\ub300 \ube48\ub3c4\ub294 \ub2e4\uc74c\uc758 \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uacc4\uc0b0\ub429\ub2c8\ub2e4:<\/p>\n<p style=\"text-align: center;\">\n        E\u1d62 = (\ud589 \ud569\uacc4 \u00d7 \uc5f4 \ud569\uacc4) \/ \uc804\uccb4 \ud569\uacc4\n    <\/p>\n<li><strong>\uce74\uc774\uc81c\uacf1 \ud1b5\uacc4\ub7c9 \uacc4\uc0b0<\/strong><\/li>\n<li><strong>p-\uac12 \uacc4\uc0b0<\/strong><\/li>\n<li><strong>\uacb0\uc815<\/strong><\/li>\n<\/ol>\n<h3>3.2. \uc608\uc81c<\/h3>\n<p>\uc608\ub97c \ub4e4\uc5b4, 100\uba85\uc758 \uc0d8\ud50c\uc5d0\uc11c \uc131\ubcc4(\ub0a8, \uc5ec)\uacfc \ud761\uc5f0 \uc5ec\ubd80(\ud761\uc5f0, \ube44\ud761\uc5f0)\uc758 \uad50\ucc28\ud45c\uac00 \uc8fc\uc5b4\uc84c\ub2e4\uace0 \uac00\uc815\ud569\uc2dc\ub2e4:<\/p>\n<table>\n<tr>\n<th>\uc131\ubcc4<\/th>\n<th>\ud761\uc5f0<\/th>\n<th>\ube44\ud761\uc5f0<\/th>\n<th>\ud569\uacc4<\/th>\n<\/tr>\n<tr>\n<td>\ub0a8<\/td>\n<td>30<\/td>\n<td>20<\/td>\n<td>50<\/td>\n<\/tr>\n<tr>\n<td>\uc5ec<\/td>\n<td>10<\/td>\n<td>40<\/td>\n<td>50<\/td>\n<\/tr>\n<tr>\n<td>\ud569\uacc4<\/td>\n<td>40<\/td>\n<td>60<\/td>\n<td>100<\/td>\n<\/tr>\n<\/table>\n<p>\uae30\ub300 \ube48\ub3c4\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4:<\/p>\n<p style=\"text-align: center;\">\n    E(\ub0a8, \ud761\uc5f0) = (50 \u00d7 40) \/ 100 = 20<br \/>\n    E(\ub0a8, \ube44\ud761\uc5f0) = (50 \u00d7 60) \/ 100 = 30<br \/>\n    E(\uc5ec, \ud761\uc5f0) = (50 \u00d7 40) \/ 100 = 20<br \/>\n    E(\uc5ec, \ube44\ud761\uc5f0) = (50 \u00d7 60) \/ 100 = 30\n<\/p>\n<p>\uc774\uc81c \uce74\uc774\uc81c\uacf1 \ud1b5\uacc4\ub7c9\uc744 \uacc4\uc0b0\ud569\ub2c8\ub2e4:<\/p>\n<p style=\"text-align: center;\">\n    \u03c7\u00b2 = ((30-20)\u00b2\/20) + ((20-30)\u00b2\/30) + ((10-20)\u00b2\/20) + ((40-30)\u00b2\/30) = 10\/20 + 10\/30 = 0.5 + 0.333 = 0.833\n<\/p>\n<p>\uc790\uc720\ub3c4\ub294 (\ud589 \uc218 &#8211; 1) \u00d7 (\uc5f4 \uc218 &#8211; 1)\ub85c \uacc4\uc0b0\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 (2-1) \u00d7 (2-1) = 1\uc785\ub2c8\ub2e4. p-\uac12\uc744 \uacc4\uc0b0\ud558\uace0 \uc720\uc758\uc218\uc900\uacfc \ube44\uad50\ud558\uc5ec \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud560\uc9c0 \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n<h2>4. \uacb0\uacfc \ud574\uc11d<\/h2>\n<p>\uac80\uc815\uc744 \ud1b5\ud574 p-\uac12\uc774 \uc720\uc758\uc218\uc900\ubcf4\ub2e4 \uc791\uc740 \uacbd\uc6b0 \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud558\uace0, \ubcc0\uc218 \uac04\uc758 \uad00\uacc4\uac00 \ucc28\uc774\uac00 \uc788\uc74c\uc744 \uc2dc\uc0ac\ud569\ub2c8\ub2e4. \ubc18\uba74, p-\uac12\uc774 \uc720\uc758\uc218\uc900\ubcf4\ub2e4 \ud070 \uacbd\uc6b0 \uadc0\ubb34\uac00\uc124\uc744 \ucc44\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n<h3>4.1. \uce74\uc774\uc81c\uacf1 \uac80\uc815\uc758 \ud55c\uacc4<\/h3>\n<p>\uce74\uc774\uc81c\uacf1 \uac80\uc815\uc740 \uba87 \uac00\uc9c0 \ud55c\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\uc0d8\ud50c \ud06c\uae30\uac00 \uc791\uc744 \uacbd\uc6b0 \uce74\uc774\uc81c\uacf1 \ud1b5\uacc4\ub7c9\uc774 \uc2e0\ub8b0\ud560 \uc218 \uc5c6\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uae30\ub300 \ube48\ub3c4\uac00 5 \uc774\ud558\uc778 \uacbd\uc6b0 \uc77c\ubd80 \ubc94\uc8fc\uc5d0\uc11c\ub294 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uacb0\uacfc\ub97c \uc81c\uacf5\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\uce74\uc774\uc81c\uacf1 \uac80\uc815\uc740 \ubc94\uc8fc\ud615 \ub370\uc774\ud130\uc5d0\ub9cc \uc801\uc6a9 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h3>4.2. \uc2e4\uc81c \uc801\uc6a9 \uc0ac\ub840<\/h3>\n<p>\uce74\uc774\uc81c\uacf1 \uac80\uc815\uc740 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4:<\/p>\n<ul>\n<li>\uc758\ud559 \uc5f0\uad6c\uc5d0\uc11c \uce58\ub8cc \ubc29\ubc95\uacfc \ud658\uc790\uc758 \ubc18\uc751\uc744 \ube44\uad50\ud560 \ub54c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li>\uc0ac\ud68c \uc870\uc0ac\uc5d0\uc11c \uc778\uad6c \ud1b5\uacc4\ud559\uc801 \uc694\uc778\uacfc \ud2b9\uc815 \ud589\ub3d9 \uac04\uc758 \uad00\uacc4\ub97c \ud3c9\uac00\ud558\ub294 \ub370 \uc774\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li>\ub9c8\ucf00\ud305\uc5d0\uc11c \uc18c\ube44\uc790\uc758 \uad6c\ub9e4 \ud589\ub3d9\uacfc \uc120\ud638\ub3c4 \uac04\uc758 \uad00\uacc4\ub97c \ubd84\uc11d\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>5. \uacb0\ub860<\/h2>\n<p>\uce74\uc774\uc81c\uacf1 \uac80\uc815\uc740 \ub370\uc774\ud130 \ubd84\uc11d\uc5d0 \uc788\uc5b4 \uc911\uc694\ud55c \ub3c4\uad6c\ub85c, \ubc94\uc8fc\ud615 \ub370\uc774\ud130 \uac04\uc758 \uad00\uacc4 \ubc0f \ud2b9\uc9d5\uc744 \uc774\ud574\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. \uc801\ud569\ub3c4 \uac80\uc815\uacfc \ub3c5\ub9bd\uc131 \uac80\uc815\uc744 \ud1b5\ud574 \uc6b0\ub9ac\ub294 \ub370\uc774\ud130\uc5d0\uc11c \ud328\ud134\uacfc \ud1b5\uacc4\ub97c \ubc1c\uacac\ud558\uace0, \uac00\uc124\uc744 \uac80\uc99d\ud568\uc73c\ub85c\uc368 \uc5f0\uad6c \ubc0f \ube44\uc988\ub2c8\uc2a4\uc5d0 \uac00\uce58 \uc788\ub294 \ud1b5\ucc30\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uce74\uc774\uc81c\uacf1 \uac80\uc815\uc744 \uc62c\ubc14\ub974\uac8c \uc801\uc6a9\ud558\uace0 \ud574\uc11d\ud558\ub294 \uac83\uc740 \ub370\uc774\ud130 \ubd84\uc11d\uc5d0\uc11c \ud544\uc218\uc801\uc778 \uc5ed\ub7c9\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uac80\uc815 \uacb0\uacfc\ub97c \ub2e4\uac01\uc801\uc73c\ub85c \ubd84\uc11d\ud558\uace0 \uc774\ub97c \ubc14\ud0d5\uc73c\ub85c \uc804\ub7b5\uc744 \uc138\uc6b0\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uce74\uc774\uc81c\uacf1 \uac80\uc815(Chi-Square Test)\uc740 \uad00\ucc30\ub41c \ub370\uc774\ud130\uc640 \uae30\ub300\ub418\ub294 \ub370\uc774\ud130 \uac04\uc758 \ucc28\uc774\ub97c \ud3c9\uac00\ud558\ub294 \ud1b5\uacc4\uc801 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub294 \uc8fc\ub85c \ubc94\uc8fc\ud615 \ub370\uc774\ud130(categorical data)\uc758 \ubd84\uc11d\uc5d0 \uc0ac\uc6a9\ub418\uba70, \ub450 \uac00\uc9c0 \uc8fc\uc694 \uc720\ud615\uc774 \uc788\uc2b5\ub2c8\ub2e4: \uc801\ud569\ub3c4 \uac80\uc815(Goodness of Fit Test)\uacfc \ub3c5\ub9bd\uc131 \uac80\uc815(Test of Independence). \ubcf8 \uae00\uc5d0\uc11c\ub294 \uce74\uc774\uc81c\uacf1 \uac80\uc815\uc758 \uac1c\ub150, \uc218\uc2dd, \uc801\ud569\ub3c4 \uac80\uc815\uacfc \ub3c5\ub9bd\uc131 \uac80\uc815\uc758 \ucc28\uc774, \uadf8\ub9ac\uace0 \uac01 \uac80\uc815\uc758 \ud574\uc11d \ubc0f \uc801\uc6a9 \uc0ac\ub840\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\uaca0\uc2b5\ub2c8\ub2e4. 1. &hellip; <a href=\"https:\/\/atmokpo.com\/w\/40800\/\" class=\"more-link\">\ub354 \ubcf4\uae30<span class=\"screen-reader-text\"> 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