{"id":73420,"date":"2025-09-20T04:11:40","date_gmt":"2025-09-20T04:11:40","guid":{"rendered":"https:\/\/onlineexammaker.com\/kb\/?p=73420"},"modified":"2025-10-25T07:02:47","modified_gmt":"2025-10-25T07:02:47","slug":"15-data-science-quiz-questions-and-answers-ko","status":"publish","type":"post","link":"https:\/\/onlineexammaker.com\/kb\/ko\/15-data-science-quiz-questions-and-answers-ko\/","title":{"rendered":"15 \ub370\uc774\ud130 \uacfc\ud559 \ud034\uc988 \uc9c8\ubb38 \ubc0f \ub2f5\ubcc0"},"content":{"rendered":"<p>\ub370\uc774\ud130 \uacfc\ud559\uc740 \ub370\uc774\ud130\uc5d0\uc11c \uadc0\uc911\ud55c \ud1b5\ucc30\ub825\uacfc \uc9c0\uc2dd\uc744 \ucd94\ucd9c\ud558\ub294 \ub2e4\uc591\ud55c \uae30\uc220, \ubc29\ubc95 \ubc0f \ub3c4\uad6c\ub97c \uacb0\ud569\ud55c \ud559\uc81c \uac04 \ubd84\uc57c\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uacfc\ud559\uc801 \ubc29\ubc95\ub860, \uc54c\uace0\ub9ac\uc998 \ubc0f \ud1b5\uacc4 \ubd84\uc11d\uc744 \uc801\uc6a9\ud558\uc5ec \ud06c\uace0 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uc138\ud2b8 \ub0b4\uc5d0\uc11c \ud328\ud134, \ud2b8\ub80c\ub4dc \ubc0f \uad00\uacc4\ub97c \ubc1d\ud600\ub0c5\ub2c8\ub2e4. \ub370\uc774\ud130 \uacfc\ud559\uc740 \ub370\uc774\ud130 \uc911\uc2ec\uc758 \uc99d\uac70\ub97c \uae30\ubc18\uc73c\ub85c \uc815\ubcf4\uc5d0 \uc785\uac01 \ud55c \uacb0\uc815\uc744 \uc774\ud574\ud558\uace0 \ud574\uc11d\ud558\uba70 \uc815\ubcf4\ub97c \uc791\uc131\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub370\uc774\ud130 \uacfc\ud559\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<p>\ub370\uc774\ud130 \uc218\uc9d1 : \ub370\uc774\ud130\ubca0\uc774\uc2a4, \uc13c\uc11c, \uc6f9 \uc0ac\uc774\ud2b8, \uc18c\uc15c \ubbf8\ub514\uc5b4 \ub4f1\uacfc \uac19\uc740 \ub2e4\uc591\ud55c \uc18c\uc2a4\uc5d0\uc11c \uad00\ub828 \ubc0f \uad6c\uc870\ud654 \ub41c \ub370\uc774\ud130 \uc218\uc9d1.<\/p>\n<p>\ub370\uc774\ud130 \uc815\ub9ac \ubc0f \uc804\ucc98\ub9ac : \uc624\ub958, \ubd88\uc77c\uce58 \ubc0f \uacb0 \uce21\uac12\uc744 \uc81c\uac70\ud558\uc5ec \ub370\uc774\ud130 \ud488\uc9c8 \ubcf4\uc7a5. \uc774 \ub2e8\uacc4\ub294 \ucd94\uac00 \ubd84\uc11d\uc744 \uc704\ud574 \ub370\uc774\ud130\ub97c \uc900\ube44\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub370\uc774\ud130 \ud0d0\uc0c9 \ubc0f \uc2dc\uac01\ud654 : \ud0d0\uc0c9 \uc801 \ub370\uc774\ud130 \ubd84\uc11d \ubc0f \uc2dc\uac01\ud654 \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \ub0b4\uc758 \ud2b9\uc131\uacfc \ud328\ud134\uc744 \uc774\ud574\ud569\ub2c8\ub2e4.<\/p>\n<p>\ud1b5\uacc4 \ubd84\uc11d : \ud1b5\uacc4\uc801 \ubc29\ubc95\uc744 \uc801\uc6a9\ud558\uc5ec \uc758\ubbf8\uc788\ub294 \ud1b5\ucc30\ub825\uc744 \ub3c4\ucd9c\ud558\uace0 \ub370\uc774\ud130\ub97c \uae30\ubc18\uc73c\ub85c \uc608\uce21\uc744\ud569\ub2c8\ub2e4.<\/p>\n<p>\uae30\uacc4 \ud559\uc2b5 : \ub370\uc774\ud130\uc5d0\uc11c \ud559\uc2b5\ud558\uace0 \ud328\ud134\uc744 \uc2dd\ubcc4\ud558\uba70 \uc608\uce21 \ub610\ub294 \ubd84\ub958\ub97c \ud560 \uc218\uc788\ub294 \uc54c\uace0\ub9ac\uc998 \ubc0f \ubaa8\ub378 \uad6c\ud604.<\/p>\n<p>\ub370\uc774\ud130 \ud574\uc11d \ubc0f \ucee4\ubba4\ub2c8\ucf00\uc774\uc158 : \ub370\uc774\ud130 \ubd84\uc11d \uacb0\uacfc\ub97c \ud574\uc11d\ud558\uace0 \uc774\ud574 \uad00\uacc4\uc790\uc5d0\uac8c \uc774\ud574\ud560 \uc218\uc788\ub294 \ubc29\uc2dd\uc73c\ub85c \uacb0\uacfc\ub97c \uc81c\uc2dc\ud569\ub2c8\ub2e4.<\/p>\n<h3>\uc774 \uae30\uc0ac\uc5d0\uc11c<\/h3>\n<ul class=\"article_list\">\n<li><a href=\"#1\">1 \ubd80 : Online Exmaker\uc640 AI\ub97c \uc0ac\uc6a9\ud558\uc5ec \uba87 \ubd84 \uc548\uc5d0 \ub370\uc774\ud130 \uacfc\ud559 \ud034\uc988 \uc0dd\uc131<\/a><\/li>\n<li><a href=\"#2\">2 \ubd80 : 15 \ub370\uc774\ud130 \uacfc\ud559 \ud034\uc988 \uc9c8\ubb38 \ubc0f \ub2f5\ubcc0<\/a><\/li>\n<li><a href=\"#3\">3 \ubd80 : \uc2dc\uac04\uacfc \uc5d0\ub108\uc9c0 \uc800\uc7a5 : AI \uae30\uc220\ub85c \ud034\uc988 \uc9c8\ubb38 \uc0dd\uc131<\/a><\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/onlineexammaker.com\/kb\/wp-content\/uploads\/2023\/08\/data-science.webp\" alt=\"\"\/><\/p>\n<h3 id=\"1\">1 \ubd80 : Online Exmaker\uc640 AI\ub97c \uc0ac\uc6a9\ud558\uc5ec \uba87 \ubd84 \uc548\uc5d0 \ub370\uc774\ud130 \uacfc\ud559 \ud034\uc988 \uc0dd\uc131<\/h3>\n<p>\ud559\uc2b5\uc790\uc758 \ub370\uc774\ud130 \uacfc\ud559 \uae30\uc220\uc744 \ud14c\uc2a4\ud2b8\ud558\uae30\uc704\ud55c \uc628\ub77c\uc778 \ud3c9\uac00\ub97c \ucc3e\uace0 \uc788\uc2b5\ub2c8\uae4c? OnlineExamMaker\ub294 \uc778\uacf5 \uc9c0\ub2a5\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud034\uc988 \uc8fc\ucd5c\uc790\uac00 \uc2dc\ud5d8 \ub610\ub294 \ud14c\uc2a4\ud2b8\ub97c \uc790\ub3d9\uc73c\ub85c \uc0dd\uc131, \uad00\ub9ac \ubc0f \ubd84\uc11d \ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc90d\ub2c8\ub2e4. AI \uae30\ub2a5\uacfc\ub294 \ubcc4\ub3c4\ub85c \uc628\ub77c\uc778 \uad50\uc678 \uc791\uc6a9\uc740 \uc804\uccb4 \ud654\uba74 \uc7a0\uae08 \ube0c\ub77c\uc6b0\uc800, \uc628\ub77c\uc778 \uc6f9\ucea0 \ud504\ub85d\ud130\ub9c1 \ubc0f \uc5bc\uad74 ID \uc778\uc2dd\uacfc \uac19\uc740 \uace0\uae09 \ubcf4\uc548 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><strong> \uad8c\uc7a5 \uae30\ub2a5 : <\/strong><br \/>\n\u25cf \uc548\uc804\ud55c \uc2dc\ud5d8 \ube0c\ub77c\uc6b0\uc800 (\uc7a0\uae08 \ubaa8\ub4dc), \uc6f9\ucea0 \ubc0f \uc2a4\ud06c\ub9b0 \ub179\uc74c, \ub77c\uc774\ube0c \ubaa8\ub2c8\ud130\ub9c1 \ubc0f \ubd80\uc815 \ud589\uc704\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ucc44\ud305 \uac10\ub3c5\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\u25cf \ube44\ub514\uc624, \uc624\ub514\uc624, \uc774\ubbf8\uc9c0\uc5d0 \ud034\uc988 \ubc0f \uba40\ud2f0\ubbf8\ub514\uc5b4 \ud53c\ub4dc\ubc31\uc744 \ud3ec\ud568\ud558\uc5ec \ub300\ud654\uc2dd \uacbd\ud5d8\uc73c\ub85c \ud3c9\uac00\ub97c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<br \/>\n\u25cf \uc2dc\ud5d8\uc774 \ub05d\ub098\uba74 \uc2dc\ud5d8 \uc810\uc218, \uc9c8\ubb38 \ubcf4\uace0\uc11c, \uc21c\uc704 \ubc0f \uae30\ud0c0 \ubd84\uc11d \ub370\uc774\ud130\uac00 Excel \ud30c\uc77c \ud615\uc2dd\uc73c\ub85c \uc7a5\uce58\ub85c \ub0b4\ubcf4\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\n\u25cf \uc9c8\ubb38 \uc131\ub2a5 \ubc0f \uc2e0\ub8b0\uc131\uc744 \ud3c9\uac00\ud558\uae30\uc704\ud55c \uc9c8\ubb38 \ubd84\uc11d\uc744 \uc81c\uacf5\ud558\uc5ec \uac15\uc0ac\uac00 \uad50\uc721 \uacc4\ud68d\uc744 \ucd5c\uc801\ud654 \ud560 \uc218 \uc788\ub3c4\ub85d \ub3c4\uc640\uc90d\ub2c8\ub2e4.<\/p>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">AI\ub97c \ud65c\uc6a9\ud574 \uc790\ub3d9\uc73c\ub85c \uc9c8\ubb38 \uc0dd\uc131<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/OnlineExamMaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">AI \uc9c8\ubb38 \uc0dd\uc131\uae30<\/a><\/div>\n<div class=\"p-style-b\">\ubaa8\ub4e0 \uc8fc\uc81c\uc5d0 \ub300\ud55c \uc9c8\ubb38 \uc0dd\uc131<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/OnlineExamMaker.com\/sign-up.html?refer=blog_btn\"> \ud034\uc988 \ub9cc\ub4e4\uae30<\/a><\/div>\n<div class=\"p-style-b\">\uc601\uc6d0\ud788 100% \ubb34\ub8cc<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h3 id=\"2\">2 \ubd80 : 15 \ub370\uc774\ud130 \uacfc\ud559 \ud034\uc988 \uc9c8\ubb38 \ubc0f \ub2f5\ubcc0<\/h3>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">\uc9c8\ubb38 \ubcf5\uc0ac<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">AI\ub97c \ud65c\uc6a9\ud55c \uc9c8\ubb38 \uc0dd\uc131<\/button><\/p>\n<div id=\"copy_questions\">\n<p>1. \uc9c8\ubb38: \ub370\uc774\ud130 \uacfc\ud559\uc5d0\uc11c \ub370\uc774\ud130\uc758 \uc911\uc2ec \uacbd\ud5a5\uc131\uc744 \uce21\uc815\ud558\ub294 \uc9c0\ud45c\ub85c \uac00\uc7a5 \uc801\ud569\ud55c \uac83\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<br \/>\n   A) \ud45c\uc900 \ud3b8\ucc28<br \/>\n   B) \ud3c9\uade0<br \/>\n   C) \ubd84\uc0b0<br \/>\n   D) \uc0c1\uad00 \uacc4\uc218<br \/>\n   \uc815\ub2f5: B<br \/>\n   \uc124\uba85: \ud3c9\uade0\uc740 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uc911\uc2ec \uacbd\ud5a5\uc131\uc744 \ub098\ud0c0\ub0b4\ub294 \uae30\ubcf8\uc801\uc778 \uc9c0\ud45c\ub85c, \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\ub4e4\uc758 \ud569\uc744 \uac1c\uc218\ub85c \ub098\ub208 \uac12\uc785\ub2c8\ub2e4.  <\/p>\n<p>2. \uc9c8\ubb38: \uba38\uc2e0 \ub7ec\ub2dd\uc5d0\uc11c \uacfc\uc801\ud569(overfitting)\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud55c \uae30\uc220\ub85c \uac00\uc7a5 \ud6a8\uacfc\uc801\uc778 \uac83\uc740?<br \/>\n   A) \ub354 \ub9ce\uc740 \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud558\uae30<br \/>\n   B) \uc815\uaddc\ud654(regularization) \uc801\uc6a9\ud558\uae30<br \/>\n   C) \ubaa8\ub378 \ubcf5\uc7a1\ub3c4\ub97c \uc99d\uac00\uc2dc\ud0a4\uae30<br \/>\n   D) \ud559\uc2b5\ub960\uc744 \ub192\uc774\uae30<br \/>\n   \uc815\ub2f5: B<br \/>\n   \uc124\uba85: \uc815\uaddc\ud654\ub294 \ubaa8\ub378\uc758 \uac00\uc911\uce58\ub97c \uc81c\ud55c\ud558\uc5ec \uacfc\uc801\ud569\uc744 \ubc29\uc9c0\ud558\uba70, \ud6c8\ub828 \ub370\uc774\ud130\uc5d0 \uacfc\ub3c4\ud558\uac8c \uc801\ud569\ub418\ub294 \uac83\uc744 \uc904\uc5ec \uc77c\ubc18\ud654 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.  <\/p>\n<p>3. \uc9c8\ubb38: \ube45 \ub370\uc774\ud130 \ucc98\ub9ac\uc5d0\uc11c Hadoop\uc758 \uc8fc\uc694 \uad6c\uc131 \uc694\uc18c\ub294 \ubb34\uc5c7\uc778\uac00\uc694?<br \/>\n   A) SQL \uc11c\ubc84<br \/>\n   B) HDFS (Hadoop Distributed File System)<br \/>\n   C) Python \uc778\ud130\ud504\ub9ac\ud130<br \/>\n   D) Excel \uc2a4\ud504\ub808\ub4dc\uc2dc\ud2b8<br \/>\n   \uc815\ub2f5: B<br \/>\n   \uc124\uba85: HDFS\ub294 \ub300\uc6a9\ub7c9 \ub370\uc774\ud130\ub97c \ubd84\uc0b0 \uc800\uc7a5\ud558\uace0 \ucc98\ub9ac\ud558\ub3c4\ub85d \uc124\uacc4\ub41c Hadoop\uc758 \ud575\uc2ec \ud30c\uc77c \uc2dc\uc2a4\ud15c\uc73c\ub85c, \ub370\uc774\ud130\uc758 \uc2e0\ub8b0\uc131\uacfc \ud655\uc7a5\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.  <\/p>\n<p>4. \uc9c8\ubb38: \ub370\uc774\ud130 \uc2dc\uac01\ud654 \ub3c4\uad6c\ub85c \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ub77c\uc774\ube0c\ub7ec\ub9ac\ub294?<br \/>\n   A) NumPy<br \/>\n   B) Matplotlib<br \/>\n   C) Pandas<br \/>\n   D) Scikit-learn<br \/>\n   \uc815\ub2f5: B<br \/>\n   \uc124\uba85: Matplotlib\uc740 \uadf8\ub798\ud504\uc640 \ucc28\ud2b8\ub97c \uc0dd\uc131\ud558\ub294 \uac15\ub825\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\ub85c, \ub370\uc774\ud130\uc758 \uc2dc\uac01\uc801 \ud45c\ud604\uc744 \ud1b5\ud574 \ud328\ud134\uacfc \ucd94\uc138\ub97c \uc27d\uac8c \ud30c\uc545\ud560 \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4.  <\/p>\n<p>5. \uc9c8\ubb38: \uc9c0\ub3c4 \ud559\uc2b5(supervised learning)\uacfc \ube44\uc9c0\ub3c4 \ud559\uc2b5(unsupervised learning)\uc758 \ucc28\uc774\uc810\uc740?<br \/>\n   A) \uc9c0\ub3c4 \ud559\uc2b5\uc740 \ub808\uc774\ube14\uc774 \uc5c6\uc74c<br \/>\n   B) \ube44\uc9c0\ub3c4 \ud559\uc2b5\uc740 \ub808\uc774\ube14\uc774 \uc788\uc74c<br \/>\n   C) \uc9c0\ub3c4 \ud559\uc2b5\uc740 \ucd9c\ub825 \ubcc0\uc218\ub97c \uc0ac\uc6a9\ud568<br \/>\n   D) \ube44\uc9c0\ub3c4 \ud559\uc2b5\uc740 \ud56d\uc0c1 \ubd84\ub958 \ubb38\uc81c\uc784<br \/>\n   \uc815\ub2f5: C<br \/>\n   \uc124\uba85: \uc9c0\ub3c4 \ud559\uc2b5\uc740 \uc785\ub825\uacfc \ucd9c\ub825(\ub808\uc774\ube14)\uc744 \uc0ac\uc6a9\ud574 \ubaa8\ub378\uc744 \ud6c8\ub828\uc2dc\ud0a4\ub294 \ubc18\uba74, \ube44\uc9c0\ub3c4 \ud559\uc2b5\uc740 \ub808\uc774\ube14 \uc5c6\uc774 \ub370\uc774\ud130\uc758 \ud328\ud134\uc744 \ubc1c\uacac\ud569\ub2c8\ub2e4.  <\/p>\n<p>6. \uc9c8\ubb38: A\/B \ud14c\uc2a4\ud305\uc5d0\uc11c \ud1b5\uacc4\uc801\uc73c\ub85c \uc720\uc758\ubbf8\ud55c \ucc28\uc774\ub97c \ud310\ub2e8\ud558\ub294 \ub370 \uc0ac\uc6a9\ub418\ub294 \uac83\uc740?<br \/>\n   A) p-value<br \/>\n   B) R-squared<br \/>\n   C) F-\ud1b5\uacc4\ub7c9<br \/>\n   D) \ud45c\uc900 \uc624\ucc28<br \/>\n   \uc815\ub2f5: A<br \/>\n   \uc124\uba85: p-value\ub294 \uadc0\ubb34 \uac00\uc124\uc774 \ucc38\uc77c \ub54c \uad00\uce21\ub41c \uacb0\uacfc\ub97c \uc5bb\uc744 \ud655\ub960\uc744 \ub098\ud0c0\ub0b4\uc5b4, A\/B \ud14c\uc2a4\ud305\uc5d0\uc11c \ub450 \uadf8\ub8f9 \uac04\uc758 \ucc28\uc774\uac00 \uc6b0\uc5f0\uc774 \uc544\ub2cc\uc9c0 \ud310\ub2e8\ud569\ub2c8\ub2e4.  <\/p>\n<p>7. \uc9c8\ubb38: \ub370\uc774\ud130 \uacfc\ud559 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c ETL \ud504\ub85c\uc138\uc2a4\uc758 \uc21c\uc11c\ub294?<br \/>\n   A) Extract, Transform, Load<br \/>\n   B) Load, Extract, Transform<br \/>\n   C) Transform, Extract, Load<br \/>\n   D) Extract, Load, Transform<br \/>\n   \uc815\ub2f5: A<br \/>\n   \uc124\uba85: ETL\uc740 \ub370\uc774\ud130\ub97c \ucd94\ucd9c(Extract), \ubcc0\ud658(Transform), \ub85c\ub4dc(Load)\ud558\ub294 \uc21c\uc11c\ub85c \uc9c4\ud589\ub418\uba70, \ub370\uc774\ud130 \ucc98\ub9ac\uc758 \ud45c\uc900 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4.  <\/p>\n<p>8. \uc9c8\ubb38: \uacb0\uc815 \ud2b8\ub9ac(Decision Tree) \uc54c\uace0\ub9ac\uc998\uc758 \uc8fc\uc694 \uc7a5\uc810\uc740?<br \/>\n   A) \uacc4\uc0b0 \ubcf5\uc7a1\ub3c4\uac00 \ub192\uc74c<br \/>\n   B) \ub370\uc774\ud130\uc758 \ube44\uc120\ud615 \uad00\uacc4\ub97c \uc798 \ucc98\ub9ac\ud568<br \/>\n   C) \ud56d\uc0c1 \uc120\ud615 \ubaa8\ub378\uc784<br \/>\n   D) \uacfc\uc801\ud569\uc774 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\uc74c<br \/>\n   \uc815\ub2f5: B<br \/>\n   \uc124\uba85: \uacb0\uc815 \ud2b8\ub9ac\ub294 \ube44\uc120\ud615 \ub370\uc774\ud130 \ud328\ud134\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ubaa8\ub378\ub9c1\ud558\uba70, \ud574\uc11d\uc774 \uc26c\uc6b4 \uad6c\uc870\ub97c \uac00\uc9d1\ub2c8\ub2e4.  <\/p>\n<p>9. \uc9c8\ubb38: \ud074\ub7ec\uc2a4\ud130\ub9c1 \uc54c\uace0\ub9ac\uc998 \uc911 K-Means\uc758 \uae30\ubcf8 \uc6d0\ub9ac\ub294?<br \/>\n   A) \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\ub97c \ubb34\uc791\uc704\ub85c \uadf8\ub8f9\ud654\ud568<br \/>\n   B) \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\ub97c \uac00\uc7a5 \uac00\uae4c\uc6b4 \uc911\uc2ec\uc810\uc5d0 \ud560\ub2f9\ud568<br \/>\n   C) \ubaa8\ub4e0 \ub370\uc774\ud130\ub97c \ud558\ub098\uc758 \uadf8\ub8f9\uc73c\ub85c \ub9cc\ub4e6<br \/>\n   D) \ub808\uc774\ube14\uc744 \uae30\ubc18\uc73c\ub85c \ubd84\ub958\ud568<br \/>\n   \uc815\ub2f5: B<br \/>\n   \uc124\uba85: K-Means\ub294 \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\ub97c \ubbf8\ub9ac \uc9c0\uc815\ub41c k\uac1c\uc758 \uc911\uc2ec\uc810\uc5d0 \uac00\uc7a5 \uac00\uae4c\uc6b4 \uadf8\ub8f9\uc73c\ub85c \ud560\ub2f9\ud558\uba70, \uc911\uc2ec\uc810\uc744 \ubc18\ubcf5\uc801\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4.  <\/p>\n<p>10. \uc9c8\ubb38: \ud68c\uadc0 \ubd84\uc11d(regression analysis)\uc5d0\uc11c R-squared \uac12\uc758 \uc758\ubbf8\ub294?<br \/>\n    A) \ubaa8\ub378\uc758 \uc815\ud655\ub3c4<br \/>\n    B) \uc124\uba85\ub41c \ubcc0\ub3d9\uc131\uc758 \ube44\uc728<br \/>\n    C) \uc624\ucc28\uc758 \ud06c\uae30<br \/>\n    D) \ub370\uc774\ud130\uc758 \ud45c\uc900 \ud3b8\ucc28<br \/>\n    \uc815\ub2f5: B<br \/>\n    \uc124\uba85: R-squared\ub294 \ub3c5\ub9bd \ubcc0\uc218\uac00 \uc885\uc18d \ubcc0\uc218\ub97c \uc5bc\ub9c8\ub098 \uc798 \uc124\uba85\ud558\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\ub294 \uc9c0\ud45c\ub85c, 1\uc5d0 \uac00\uae4c\uc6b8\uc218\ub85d \ubaa8\ub378\uc758 \uc801\ud569\ub3c4\uac00 \ub192\uc2b5\ub2c8\ub2e4.  <\/p>\n<p>11. \uc9c8\ubb38: \uc790\uc5f0\uc5b4 \ucc98\ub9ac(NLP)\uc5d0\uc11c \ud1a0\ud06c\ub098\uc774\uc81c\uc774\uc158(tokenization)\uc758 \uc5ed\ud560\uc740?<br \/>\n    A) \ud14d\uc2a4\ud2b8\ub97c \ubca1\ud130\ub85c \ubcc0\ud658\ud568<br \/>\n    B) \ud14d\uc2a4\ud2b8\ub97c \ub2e8\uc5b4 \ub2e8\uc704\ub85c \ubd84\ud560\ud568<br \/>\n    C) \ubb38\uc7a5\uc744 \ubc88\uc5ed\ud568<br \/>\n    D) \ubd88\ud544\uc694\ud55c \ub2e8\uc5b4\ub97c \uc81c\uac70\ud568<br \/>\n    \uc815\ub2f5: B<br \/>\n    \uc124\uba85: \ud1a0\ud06c\ub098\uc774\uc81c\uc774\uc158\uc740 \ud14d\uc2a4\ud2b8 \ub370\uc774\ud130\ub97c \ub2e8\uc5b4, \ubb38\uc7a5 \ub4f1\uc758 \ud1a0\ud070\uc73c\ub85c \ub098\ub204\uc5b4 \ud6c4\uc18d \ucc98\ub9ac\uc5d0 \uc801\ud569\ud55c \ud615\ud0dc\ub85c \ub9cc\ub4ed\ub2c8\ub2e4.  <\/p>\n<p>12. \uc9c8\ubb38: \ub525 \ub7ec\ub2dd \ubaa8\ub378\uc5d0\uc11c \ud65c\uc131\ud654 \ud568\uc218(activation function)\ub85c \uac00\uc7a5 \uc790\uc8fc \uc0ac\uc6a9\ub418\ub294 \uac83\uc740?<br \/>\n    A) \uc120\ud615 \ud568\uc218<br \/>\n    B) ReLU \ud568\uc218<br \/>\n    C) \uc2dc\uadf8\ubaa8\uc774\ub4dc \ud568\uc218<br \/>\n    D) \ubaa8\ub450 \ub3d9\uc77c\ud558\uac8c \uc0ac\uc6a9\ub428<br \/>\n    \uc815\ub2f5: B<br \/>\n    \uc124\uba85: ReLU\ub294 \ube44\uc120\ud615\uc131\uc744 \ub3c4\uc785\ud558\uba74\uc11c \uacc4\uc0b0 \ud6a8\uc728\uc774 \ub192\uc544 \ub525 \ub7ec\ub2dd\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\uba70, \uc74c\uc218 \uc785\ub825\uc5d0 \ub300\ud574 0\uc744 \ucd9c\ub825\ud569\ub2c8\ub2e4.  <\/p>\n<p>13. \uc9c8\ubb38: \ub370\uc774\ud130 \ud504\ub808\uc784(data frame)\uc744 \ub2e4\ub8e8\ub294 \ub370 \uac00\uc7a5 \uc801\ud569\ud55c Python \ub77c\uc774\ube0c\ub7ec\ub9ac\ub294?<br \/>\n    A) TensorFlow<br \/>\n    B) Pandas<br \/>\n    C) Keras<br \/>\n    D) NumPy<br \/>\n    \uc815\ub2f5: B<br \/>\n    \uc124\uba85: Pandas\ub294 \ub370\uc774\ud130 \ud504\ub808\uc784 \uad6c\uc870\ub97c \uc81c\uacf5\ud558\uc5ec, \uad6c\uc870\ud654\ub41c \ub370\uc774\ud130\ub97c \uc27d\uac8c \uc870\uc791\ud558\uace0 \ubd84\uc11d\ud560 \uc218 \uc788\uac8c \ud569\ub2c8\ub2e4.  <\/p>\n<p>14. \uc9c8\ubb38: \uad50\ucc28 \uac80\uc99d(cross-validation)\uc758 \ubaa9\uc801\uc740?<br \/>\n    A) \ubaa8\ub378\uc758 \uc18d\ub3c4\ub97c \ub192\uc784<br \/>\n    B) \ubaa8\ub378\uc758 \uc77c\ubc18\ud654 \ub2a5\ub825\uc744 \ud3c9\uac00\ud568<br \/>\n    C) \ub370\uc774\ud130\ub97c \uc99d\uac00\uc2dc\ud0b4<br \/>\n    D) \uc624\ubc84\ud53c\ud305\uc744 \uc720\ubc1c\ud568<br \/>\n    \uc815\ub2f5: B<br \/>\n    \uc124\uba85: \uad50\ucc28 \uac80\uc99d\uc740 \ub370\uc774\ud130\ub97c \uc5ec\ub7ec \ubc88 \ub098\ub204\uc5b4 \ud6c8\ub828\ud558\uace0 \ud3c9\uac00\ud558\uc5ec, \ubaa8\ub378\uc774 \uc0c8\ub85c\uc6b4 \ub370\uc774\ud130\uc5d0 \ub300\ud574 \uc5bc\ub9c8\ub098 \uc798 \uc791\ub3d9\ud558\ub294\uc9c0 \ud655\uc778\ud569\ub2c8\ub2e4.  <\/p>\n<p>15. \uc9c8\ubb38: \ub370\uc774\ud130 \uacfc\ud559\uc5d0\uc11c \ucc28\uc6d0 \ucd95\uc18c(dimension reduction) \uae30\ubc95\uc73c\ub85c PCA(Principal Component Analysis)\uc758 \uc8fc\uc694 \uc774\uc810\uc740?<br \/>\n    A) \ub370\uc774\ud130 \uc591\uc744 \uc99d\uac00\uc2dc\ud0b4<br \/>\n    B) \uace0\ucc28\uc6d0 \ub370\uc774\ud130\ub97c \uc800\ucc28\uc6d0\uc73c\ub85c \ubcc0\ud658\ud558\uc5ec \uacc4\uc0b0 \ud6a8\uc728\uc131\uc744 \ub192\uc784<br \/>\n    C) \ubaa8\ub4e0 \ubcc0\uc218\ub97c \uc720\uc9c0\ud568<br \/>\n    D) \ube44\uc120\ud615 \uad00\uacc4\ub9cc \ucc98\ub9ac\ud568<br \/>\n    \uc815\ub2f5: B<br \/>\n    \uc124\uba85: PCA\ub294 \ub370\uc774\ud130\uc758 \uc8fc\uc131\ubd84\uc744 \ucd94\ucd9c\ud558\uc5ec \ucc28\uc6d0\uc744 \uc904\uc774\uba74\uc11c\ub3c4 \uc911\uc694\ud55c \uc815\ubcf4\ub97c \ubcf4\uc874\ud558\uc5ec, \uacc4\uc0b0 \ube44\uc6a9\uc744 \uc808\uac10\ud569\ub2c8\ub2e4.<\/p>\n<\/div>\n<p><button id=\"copyquestionsBtn\" type=\"button\" onclick=\"myFunction()\">\uc9c8\ubb38 \ubcf5\uc0ac<\/button>\u00a0\u00a0or\u00a0\u00a0<button id=\"genquestionsBtn\" class=\"genbtnstyle\" type=\"button\" onclick=\"myFunction1()\">AI\ub97c \ud65c\uc6a9\ud55c \uc9c8\ubb38 \uc0dd\uc131<\/button><\/p>\n<h3 id=\"3\">3 \ubd80 : \uc2dc\uac04\uacfc \uc5d0\ub108\uc9c0 \uc800\uc7a5 : AI \uae30\uc220\ub85c \ud034\uc988 \uc9c8\ubb38 \uc0dd\uc131<\/h3>\n<div class=\"embed_video_blog\">\n<div class=\"embed-responsive embed-responsive-16by9\" style=\"margin-bottom:16px;\">\n <iframe class=\"embed-responsive-item\" src=\"https:\/\/www.youtube.com\/embed\/zlqho9igH2Y\"><\/iframe>\n<\/div>\n<\/div>\n<div class=\"getstarted-container\">\n<p style=\"margin-bottom: 13px;\">AI\ub97c \ud65c\uc6a9\ud574 \uc790\ub3d9\uc73c\ub85c \uc9c8\ubb38 \uc0dd\uc131<\/p>\n<div class=\"blog_double_btn clearfix\">\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/OnlineExamMaker.com\/features\/ai-question-generator.html?refer=download_questions\" target=\"_blank\" rel=\"noopener\">AI \uc9c8\ubb38 \uc0dd\uc131\uae30<\/a><\/div>\n<div class=\"p-style-b\">\ubaa8\ub4e0 \uc8fc\uc81c\uc5d0 \ub300\ud55c \uc9c8\ubb38 \uc0dd\uc131<\/div>\n<\/div>\n<div class=\"col-sm-6  col-xs-12\">\n<div class=\"p-style-a\"><a class=\"get_started_btn\" href=\"https:\/\/OnlineExamMaker.com\/sign-up.html?refer=blog_btn\"> \ud034\uc988 \ub9cc\ub4e4\uae30<\/a><\/div>\n<div class=\"p-style-b\">\uc601\uc6d0\ud788 100% \ubb34\ub8cc<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p><script src=\"https:\/\/unpkg.com\/@popperjs\/core@2\"><\/script><br \/>\n<script src=\"https:\/\/unpkg.com\/tippy.js@6\"><\/script><\/p>\n<p><script type=\"text\/javascript\">\nfunction myFunction() {\nvar copyText = document.getElementById(\"copy_questions\");console.log(copyText.innerText);navigator.clipboard.writeText(copyText.innerText);\n}\nfunction myFunction1() {\n\u00a0  \u00a0 \u00a0 window.open(\"https:\/\/OnlineExamMaker.com\/features\/ai-question-generator.html\");\n\u00a0 }\nvar copy1, copy2;\n        tippy('#copyquestionsBtn', {\n        'content': \"Copy questions to clipboard\",\n       trigger: 'mouseenter',\n       'onCreate':function(instance){\n              copy1 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy2.hide();\n       }\n       });\n       tippy('#copyquestionsBtn', {\n       'content': \"Copied successfully\",\n       trigger: 'click',\n       'onCreate':function(instance){\n              copy2 = instance;\n       },\n       'onTrigger' : function(instance, event) {\n              copy1.hide();\n       }\n       });\ntippy('#genquestionsBtn', {\n        'content': \"Generate questions using AI for free\",\n         trigger: 'mouseenter'\n       });\n<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ub370\uc774\ud130 \uacfc\ud559\uc740 \ub370\uc774\ud130\uc5d0\uc11c \uadc0\uc911\ud55c \ud1b5\ucc30\ub825\uacfc \uc9c0\uc2dd\uc744 \ucd94\ucd9c\ud558\ub294 \ub2e4\uc591\ud55c \uae30\uc220, \ubc29\ubc95 \ubc0f \ub3c4\uad6c\ub97c \uacb0\ud569\ud55c \ud559\uc81c \uac04 \ubd84\uc57c\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \uacfc\ud559\uc801 \ubc29\ubc95\ub860, \uc54c\uace0\ub9ac\uc998 \ubc0f \ud1b5\uacc4 \ubd84\uc11d\uc744 \uc801\uc6a9\ud558\uc5ec \ud06c\uace0 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uc138\ud2b8 \ub0b4\uc5d0\uc11c \ud328\ud134, \ud2b8\ub80c\ub4dc \ubc0f \uad00\uacc4\ub97c \ubc1d\ud600\ub0c5\ub2c8\ub2e4. \ub370\uc774\ud130 \uacfc\ud559\uc740 \ub370\uc774\ud130 \uc911\uc2ec\uc758 \uc99d\uac70\ub97c \uae30\ubc18\uc73c\ub85c \uc815\ubcf4\uc5d0 \uc785\uac01 \ud55c \uacb0\uc815\uc744 \uc774\ud574\ud558\uace0 \ud574\uc11d\ud558\uba70 \uc815\ubcf4\ub97c \uc791\uc131\ud558\ub294 \ub370 \uc911\uc694\ud55c \uc5ed\ud560\uc744\ud569\ub2c8\ub2e4. \ub370\uc774\ud130 \uacfc\ud559\uc758 \uc8fc\uc694 \uad6c\uc131 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":14040,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6043],"tags":[],"class_list":["post-73420","post","type-post","status-publish","format-standard","hentry","category-questions-answers-ko"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>15 \ub370\uc774\ud130 \uacfc\ud559 \ud034\uc988 \uc9c8\ubb38 \ubc0f \ub2f5\ubcc0 - OnlineExamMaker Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/onlineexammaker.com\/kb\/ko\/15-data-science-quiz-questions-and-answers-ko\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"15 \ub370\uc774\ud130 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