{"id":2431,"date":"2023-07-22T07:21:03","date_gmt":"2023-07-22T07:21:03","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%80%e1%85%a7%e1%86%af%e1%84%80%e1%85%aa%e1%84%85%e1%85%b3%e1%86%af-excel%e1%84%85%e1%85%a9-%e1%84%92%e1%85%a2%e1%84%89%e1%85%a5%e1%86%a8\/"},"modified":"2023-07-22T07:21:03","modified_gmt":"2023-07-22T07:21:03","slug":"t-%e1%84%90%e1%85%a6%e1%84%89%e1%85%b3%e1%84%90%e1%85%b3-%e1%84%80%e1%85%a7%e1%86%af%e1%84%80%e1%85%aa%e1%84%85%e1%85%b3%e1%86%af-excel%e1%84%85%e1%85%a9-%e1%84%92%e1%85%a2%e1%84%89%e1%85%a5%e1%86%a8","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%80%e1%85%a7%e1%86%af%e1%84%80%e1%85%aa%e1%84%85%e1%85%b3%e1%86%af-excel%e1%84%85%e1%85%a9-%e1%84%92%e1%85%a2%e1%84%89%e1%85%a5%e1%86%a8\/","title":{"rendered":"\uc804\uccb4 \uac00\uc774\ub4dc: excel\uc5d0\uc11c t-\ud14c\uc2a4\ud2b8 \uacb0\uacfc\ub97c \ud574\uc11d\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\"><a href=\"https:\/\/statorials.org\/ko\/\u1103\u116e-\u1109\u1162\u11b7\u1111\u1173\u11af\u110b\u1173\u11af-\u1110\u1166\u1109\u1173\u1110\u1173\u1112\u1162-\u1107\u1169\u1109\u1166\u110b\u116d\/\" target=\"_blank\" rel=\"noopener\">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<p> <span style=\"color: #000000;\">\uc774 \uc790\uc2b5\uc11c\uc5d0\uc11c\ub294 Excel\uc5d0\uc11c 2-\ud45c\ubcf8 t-\uac80\uc815 \uacb0\uacfc\ub97c \ud574\uc11d\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc804\uccb4 \uac00\uc774\ub4dc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>1\ub2e8\uacc4: \ub370\uc774\ud130 \uc0dd\uc131<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\ud55c \uc0dd\ubb3c\ud559\uc790\uac00 \uc11c\ub85c \ub2e4\ub978 \ub450 \uc885\uc758 \uc2dd\ubb3c\uc758 \ud3c9\uade0 \ud0a4\uac00 \ub3d9\uc77c\ud55c\uc9c0 \uc54c\uace0 \uc2f6\uc5b4 \ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774\ub97c \ud14c\uc2a4\ud2b8\ud558\uae30 \uc704\ud574 \uadf8\ub140\ub294 \uac01 \uc885\uc5d0\uc11c 20\uac1c \uc2dd\ubb3c\uc758 <a href=\"https:\/\/statorials.org\/ko\/\u1109\u1162\u11b7\u1111\u1173\u11af\u1105\u1175\u11bc-\u1107\u1161\u11bc\u1107\u1165\u11b8\/\" target=\"_blank\" rel=\"noopener noreferrer\">\ub2e8\uc21c \ubb34\uc791\uc704 \ud45c\ubcf8\uc744<\/a> \ucd94\ucd9c\ud569\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-5289 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deuxsampexcel1.png\" alt=\"\" width=\"476\" height=\"495\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>2\ub2e8\uacc4: 2-\ud45c\ubcf8 t-\uac80\uc815 \uc218\ud589<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Excel\uc5d0\uc11c 2-\ud45c\ubcf8 t-\uac80\uc815\uc744 \uc218\ud589\ud558\ub824\uba74 \uc0c1\ub2e8 \ub9ac\ubcf8\uc5d0 \uc788\ub294 <strong>\ub370\uc774\ud130<\/strong> \ud0ed\uc744 \ud074\ub9ad\ud55c \ub2e4\uc74c <strong>\ub370\uc774\ud130 \ubd84\uc11d\uc744<\/strong> \ud074\ub9ad\ud569\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5292 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deuxsampexcel3.png\" alt=\"Excel \ub370\uc774\ud130 \ubd84\uc11d \ub3c4\uad6c\ud329\" width=\"498\" height=\"190\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\">\ud074\ub9ad\ud560 \uc218 \uc788\ub294 \uc635\uc158\uc774 \ud45c\uc2dc\ub418\uc9c0 \uc54a\uc73c\uba74 \uba3c\uc800 <a href=\"https:\/\/statorials.org\/ko\/excel\u110b\u1166\u1109\u1165-\u1107\u116e\u11ab\u1109\u1165\u11a8-\u1103\u1169\u1100\u116e-\u1111\u1162\u11a8\u110b\u1173\u11af-\u1105\u1169\u1103\u1173\u1112\u1161\u1102\u1173\u11ab-\u1107\u1161\u11bc\u1107\u1165\u11b8\/\" target=\"_blank\" rel=\"noopener\">\ubd84\uc11d \ub3c4\uad6c\ub97c \ub2e4\uc6b4\ub85c\ub4dc\ud574\uc57c<\/a> \ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\ud45c\uc2dc\ub418\ub294 \ucc3d\uc5d0\uc11c <strong>t-test: two Samples \uac00\uc815 \ub4f1\ubd84\uc0b0\uc774\ub77c\uace0<\/strong> \ud45c\uc2dc\ub41c \uc635\uc158\uc744 \ud074\ub9ad\ud55c \ub2e4\uc74c <strong>\ud655\uc778 \uc744<\/strong> \ud074\ub9ad\ud569\ub2c8\ub2e4.<\/span> <span style=\"color: #000000;\">\uadf8\ub7f0 \ub2e4\uc74c<\/span> <span style=\"color: #000000;\">\ub2e4\uc74c \uc815\ubcf4\ub97c \uc785\ub825\ud569\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5295 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deuxsampexcel5.png\" alt=\"Excel\uc5d0\uc11c \ub4f1\ubd84\uc0b0\uc744 \uc0ac\uc6a9\ud55c 2-\ud45c\ubcf8 T-\uac80\uc815\" width=\"565\" height=\"431\" srcset=\"\" sizes=\"auto, \"><\/p>\n<p> <span style=\"color: #000000;\"><strong>\ud655\uc778\uc744<\/strong> \ud074\ub9ad\ud558\uba74 t-\ud14c\uc2a4\ud2b8 \uacb0\uacfc\uac00 \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-5296 \" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/deuxsampexcel6.png\" alt=\"Excel\uc5d0\uc11c 2-\ud45c\ubcf8 t-\uac80\uc815 \uacb0\uacfc\ub97c \ud574\uc11d\ud558\ub294 \ubc29\ubc95\" width=\"607\" height=\"430\" srcset=\"\" sizes=\"auto, \"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>3\ub2e8\uacc4: \uacb0\uacfc \ud574\uc11d<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\uacb0\uacfc\uc758 \uac01 \uc904\uc744 \ud574\uc11d\ud558\ub294 \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\ud3c9\uade0:<\/strong> \uac01 \uc0d8\ud50c\uc758 \ud3c9\uade0\uc785\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\uc0d8\ud50c 1 \ud3c9\uade0: 15.15<\/span><\/li>\n<li> <span style=\"color: #000000;\">\uc0d8\ud50c 2 \ud3c9\uade0: 15.8<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>\ubd84\uc0b0:<\/strong> \uac01 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc785\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\uc0d8\ud50c 1 \ud3b8\ucc28: 8.13<\/span><\/li>\n<li> <span style=\"color: #000000;\">\uc0d8\ud50c 2 \ubcc0\ud615: 12.9<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>\uad00\uce21\uce58:<\/strong> \uac01 \ud45c\ubcf8\uc758 \uad00\uce21\uce58 \uc218\uc785\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">\uc0d8\ud50c 1:20\uc758 \uad00\ucc30<\/span><\/li>\n<li> <span style=\"color: #000000;\">\uc0d8\ud50c 2\uc758 \uad00\ucc30: 20<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>\ud569\ub3d9 \ubd84\uc0b0:<\/strong> \ub2e4\uc74c \uacf5\uc2dd\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac01 \ud45c\ubcf8\uc758 \ubd84\uc0b0\uc744 &#8220;\ud480\ub9c1&#8221;\ud558\uc5ec \uacc4\uc0b0\ud55c \ud3c9\uade0 \ud45c\ubcf8 \ubd84\uc0b0\uc785\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">s <sup>2<\/sup> <sub>p<\/sub> = ((n <sub>1<\/sub> -1)s <sup>2<\/sup> <sub>1<\/sub> + (n <sub>2<\/sub> -1)s <sup>2<\/sup> <sub>2<\/sub> ) \/ (n <sub>1<\/sub> +n <sub>2<\/sub> -2)<\/span><\/li>\n<li> <span style=\"color: #000000;\">s <sup>2<\/sup> <sub>p<\/sub> = ((20-1)8.13 + (20-1)12.9) \/ (20+20-2)<\/span><\/li>\n<li> <span style=\"color: #000000;\">s <sup>2<\/sup> <sub>p<\/sub> = 10.51974<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>\uac00\uc124 \ud3c9\uade0 \ucc28\uc774:<\/strong> \uc6b0\ub9ac\uac00 &#8220;\uac00\uc815&#8221;\ud558\ub294 \uc22b\uc790\ub294 \ub450 \ubaa8\uc9d1\ub2e8\uc758 \ud3c9\uade0 \ucc28\uc774\uc785\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ub450 \ubaa8\uc9d1\ub2e8\uc758 \ud3c9\uade0 \ucc28\uc774\uac00 0\uc778\uc9c0 \uc544\ub2cc\uc9c0 \ud14c\uc2a4\ud2b8\ud558\uace0 \uc2f6\uae30 \ub54c\ubb38\uc5d0 <strong>0\uc744<\/strong> \uc120\ud0dd\ud588\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>df:<\/strong> t-\uac80\uc815\uc758 \uc790\uc720\ub3c4\uc774\uba70 \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\">df = <sub>n1<\/sub> + <sub>n2<\/sub> \u2013 2<\/span><\/li>\n<li> <span style=\"color: #000000;\">df = 20 + 20 \u2013 2<\/span><\/li>\n<li> <span style=\"color: #000000;\">df = 38<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>t \ud1b5\uacc4:<\/strong> <em>t<\/em> \uac80\uc815 \ud1b5\uacc4\ub7c9\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\uc774 \uacc4\uc0b0\ub429\ub2c8\ub2e4.<\/span><\/p>\n<ul>\n<li> <span style=\"color: #000000;\"><em>t<\/em> = ( <span style=\"text-decoration: overline;\">X<\/span> <sub>1<\/sub> \u2013 <span style=\"text-decoration: overline;\">X<\/span> <sub>2<\/sub> ) \/ \u221a <span style=\"border-top: 1px solid black;\">s <sup>2<\/sup> <sub>p<\/sub> (1\/n <sub>1<\/sub> + 1\/n <sub>2<\/sub> )<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\"><em>t<\/em> = (15.15-15.8) \/ \u221a <span style=\"border-top: 1px solid black;\">10.51974(1\/20+1\/20)<\/span><\/span><\/li>\n<li> <span style=\"color: #000000;\"><em>t<\/em> = -0.63374<\/span><\/li>\n<\/ul>\n<p> <span style=\"color: #000000;\"><strong>\uc591\uce21 P(T&lt;=t):<\/strong> \uc591\uce21 t \uac80\uc815\uc5d0 \ub300\ud55c p-\uac12\uc785\ub2c8\ub2e4. \uc774 \uac12\uc740 38 \uc790\uc720\ub3c4\uc5d0\uc11c t = -0.63374\ub97c \uc0ac\uc6a9\ud558\ub294 <a href=\"https:\/\/statorials.org\/ko\/t-\u110c\u1165\u11b7\u1109\u116e-p-\u1100\u1161\u11b9-\u1100\u1168\u1109\u1161\u11ab\u1100\u1175\/\" target=\"_blank\" rel=\"noopener\">T \uc810\uc218 \ub300 P \uac12 \uacc4\uc0b0\uae30\ub97c<\/a> \uc0ac\uc6a9\ud558\uc5ec \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774 \uacbd\uc6b0 p = <strong>0.530047<\/strong> \uc785\ub2c8\ub2e4. \uc774 \uac12\uc774 0.05\ubcf4\ub2e4 \ud06c\uba74 \uadc0\ubb34\uac00\uc124\uc744 \uae30\uac01\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ub450 \ubaa8\uc9d1\ub2e8\uc758 \ud3c9\uade0\uc774 \ub2e4\ub974\ub2e4\uace0 \ub9d0\ud560 \uc218 \uc788\ub294 \ucda9\ubd84\ud55c \uc99d\uac70\uac00 \uc5c6\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>t \uc911\uc694\ud55c \uc591\uce21:<\/strong> \uc774\ub294 \uac80\uc0ac\uc758 \uc911\uc694\ud55c \uac00\uce58\uc785\ub2c8\ub2e4. \uc774 \uac12\uc740 \uc790\uc720\ub3c4 38, \uc2e0\ub8b0\ub3c4 95%\uc758 \uc784\uacc4 t \uac12 \uacc4\uc0b0\uae30\ub97c \uc0ac\uc6a9\ud558\uc5ec \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\">\uc774 \uacbd\uc6b0 \uc784\uacc4\uac12\uc740 <strong>2.024394<\/strong> \ub85c \ub098\ud0c0\ub0a9\ub2c8\ub2e4. <em>t-<\/em> \uac80\uc815 \ud1b5\uacc4\uac00 \uc774 \uac12\ubcf4\ub2e4 \uc791\uae30 \ub54c\ubb38\uc5d0 \uadc0\ubb34 \uac00\uc124\uc744 \uae30\uac01\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub2e4\uc2dc \ub9d0\ud558\uc9c0\ub9cc, \uc774\ub294 \ub450 \ubaa8\uc9d1\ub2e8\uc758 \ud3c9\uade0\uc774 \ub2e4\ub974\ub2e4\uace0 \ub9d0\ud560 \uc218 \uc788\ub294 \ucda9\ubd84\ud55c \uc99d\uac70\uac00 \uc5c6\ub2e4\ub294 \uac83\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\ucc38\uace0 #1<\/strong> : p-\uac12 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\ub4e0 \uc784\uacc4\uac12 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\ub4e0 \ub3d9\uc77c\ud55c \uacb0\ub860\uc5d0 \ub3c4\ub2ec\ud558\uac8c \ub429\ub2c8\ub2e4.<\/span><\/p>\n<p> <span style=\"color: #000000;\"><strong>\ucc38\uace0 #2<\/strong> : <a href=\"https:\/\/statorials.org\/ko\/\u110b\u116c\u11ab\u110d\u1169\u11a8-\u1101\u1169\u1105\u1175-\u1110\u1166\u1109\u1173\u1110\u1173-vs-\u110b\u1169\u1105\u1173\u11ab\u110d\u1169\u11a8-\u1101\u1169\u1105\u1175-\u1110\u1166\u1109\u1173\u1110\u1173\/\" target=\"_blank\" rel=\"noopener\">\ub2e8\uce21 \uac00\uc124 \uac80\uc815\uc744<\/a> \uc218\ud589\ud558\ub294 \uacbd\uc6b0 \ub300\uc2e0 \ub2e8\uce21 P(T&lt;=t) \ubc0f \ub2e8\uce21 t \uc784\uacc4 \uac12\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>\ucd94\uac00 \ub9ac\uc18c\uc2a4<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">\ub2e4\uc74c \uc790\uc2b5\uc11c\uc5d0\uc11c\ub294 Excel\uc5d0\uc11c \ub2e4\uc591\ud55c t-\ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \ub2e8\uacc4\ubcc4 \uc608\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/ko\/\u1109\u1162\u11b7\u1111\u1173\u11af-t-\u1110\u1166\u1109\u1173\u1110\u1173-\u110b\u1166\u11a8\u1109\u1166\u11af\/\" target=\"_blank\" rel=\"noopener\">Excel\uc5d0\uc11c \ub2e8\uc77c \ud45c\ubcf8 t-\uac80\uc815\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/\u1103\u116e-\u1100\u1162\u110b\u1174-\u1109\u1162\u11b7\u1111\u1173\u11af-t-\u1110\u1166\u1109\u1173\u1110\u1173-\u110b\u1166\u11a8\u1109\u1166\u11af\/\" target=\"_blank\" rel=\"noopener\">Excel\uc5d0\uc11c 2-\ud45c\ubcf8 t-\uac80\uc815\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/\u110a\u1161\u11bc\u110b\u1173\u11af-\u110b\u1175\u1105\u116e\u1102\u1173\u11ab-\u1111\u116d\u1107\u1169\u11ab-t-\u1110\u1166\u1109\u1173\u1110\u1173-\u110b\u1166\u11a8\u1109\u1166\u11af\/\" target=\"_blank\" rel=\"noopener\">Excel\uc5d0\uc11c \uc30d\uccb4 \ud45c\ubcf8 t-\uac80\uc815\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95<\/a><br \/> <a href=\"https:\/\/statorials.org\/ko\/\u110b\u1170\u11af\u110e\u1175\u1109\u1173-t-\u1110\u1166\u1109\u1173\u1110\u1173-\u110b\u1166\u11a8\u1109\u1166\u11af\/\" target=\"_blank\" rel=\"noopener\">Excel\uc5d0\uc11c Welch\uc758 t-\uac80\uc815\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2-\ud45c\ubcf8 t-\uac80\uc815\uc740 \ub450 \ubaa8\uc9d1\ub2e8\uc758 \ud3c9\uade0\uc774 \uac19\uc740\uc9c0 \uc5ec\ubd80\ub97c \uac80\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uc790\uc2b5\uc11c\uc5d0\uc11c\ub294 Excel\uc5d0\uc11c 2-\ud45c\ubcf8 t-\uac80\uc815 \uacb0\uacfc\ub97c \ud574\uc11d\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc804\uccb4 \uac00\uc774\ub4dc\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. 1\ub2e8\uacc4: \ub370\uc774\ud130 \uc0dd\uc131 \ud55c \uc0dd\ubb3c\ud559\uc790\uac00 \uc11c\ub85c \ub2e4\ub978 \ub450 \uc885\uc758 \uc2dd\ubb3c\uc758 \ud3c9\uade0 \ud0a4\uac00 \ub3d9\uc77c\ud55c\uc9c0 \uc54c\uace0 \uc2f6\uc5b4 \ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud14c\uc2a4\ud2b8\ud558\uae30 \uc704\ud574 \uadf8\ub140\ub294 \uac01 \uc885\uc5d0\uc11c 20\uac1c \uc2dd\ubb3c\uc758 \ub2e8\uc21c \ubb34\uc791\uc704 \ud45c\ubcf8\uc744 \ucd94\ucd9c\ud569\ub2c8\ub2e4. 2\ub2e8\uacc4: 2-\ud45c\ubcf8 t-\uac80\uc815 [&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-2431","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>\uc804\uccb4 \uac00\uc774\ub4dc: Excel\uc5d0\uc11c t-\ud14c\uc2a4\ud2b8 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