{"id":780,"date":"2024-07-11T08:23:49","date_gmt":"2024-07-11T08:23:49","guid":{"rendered":"http:\/\/www.ohsumin.com\/?p=780"},"modified":"2025-06-11T01:23:00","modified_gmt":"2025-06-11T01:23:00","slug":"%ed%91%9c%eb%b3%b8%eb%a1%a0","status":"publish","type":"post","link":"http:\/\/www.inmining.co.kr\/?p=780","title":{"rendered":"\ud45c\ubcf8\ub860(Sampling theory)"},"content":{"rendered":"\n

\ud45c\ubcf8\ub860(Sampling theory)\uc740 \ud1b5\uacc4\ud559\uc758 \ud55c \ubd84\uc57c\ub85c, \ud1b5\uacc4\uc801 \ucd94\ub860\uc744 \uc704\ud574 \ud45c\ubcf8\uc744 \uc5b4\ub5bb\uac8c \ucd94\ucd9c\ud558\uace0 \ubd84\uc11d\ud558\ub294\uc9c0\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. \ud1b5\uacc4\uc801 \ucd94\ub860\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ubaa8\uc9d1\ub2e8(population)\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \ud45c\ubcf8(sample)\uc73c\ub85c\ubd80\ud130 \uc5bb\uae30 \uc704\ud55c \ubc29\ubc95\ub860\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

<\/span>\uc8fc\uc694 \uac1c\ub150\uacfc \uc6d0\ub9ac:<\/span><\/h3>\n\n\n\n

1.\ud45c\ubcf8\uacfc \ubaa8\uc9d1\ub2e8<\/strong>:<\/p>\n\n\n\n

    \n
  • \ubaa8\uc9d1\ub2e8(population)<\/strong>\uc740 \uc5f0\uad6c\uc758 \ub300\uc0c1\uc774 \ub418\ub294 \uc804\uccb4 \uc9d1\ub2e8\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc804\uad6d \ubaa8\ub4e0 \uace0\ub4f1\ud559\uc0dd\ub4e4\uc758 \uc218\ud559 \uc131\uc801\uc774\ub77c\uba74, \uc774\ub294 \ubaa8\uc9d1\ub2e8\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
  • \ud45c\ubcf8(sample)<\/strong>\uc740 \ubaa8\uc9d1\ub2e8\uc5d0\uc11c \ucd94\ucd9c\ub41c \uc77c\ubd80 \uac1c\uccb4 \ub610\ub294 \ub2e8\uc704\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \ubaa8\uc9d1\ub2e8\uc744 \uc804\ubd80 \uc870\uc0ac\ud558\ub294 \uac83\uc774 \ud604\uc2e4\uc801\uc73c\ub85c \uc5b4\ub835\uae30 \ub54c\ubb38\uc5d0, \ud45c\ubcf8\uc744 \ud1b5\ud574 \ubaa8\uc9d1\ub2e8\uc5d0 \ub300\ud55c \ucd94\ub860\uc744 \ud558\uac8c \ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

    2.\ud45c\ubcf8 \ucd94\ucd9c \ubc29\ubc95<\/strong>:<\/p>\n\n\n\n

      \n
    • \ub2e8\uc21c \ub79c\ub364 \ud45c\ubcf8 \ucd94\ucd9c(Simple Random Sampling)<\/strong>: \ubaa8\ub4e0 \uac1c\uccb4\uac00 \ub3d9\uc77c\ud55c \ud655\ub960\ub85c \ud45c\ubcf8\uc5d0 \ud3ec\ud568\ub420 \uc218 \uc788\ub3c4\ub85d \ubb34\uc791\uc704\ub85c \ucd94\ucd9c\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
    • \uacc4\ud1b5 \ucd94\ucd9c(Systematic Sampling)<\/strong>: \uc77c\uc815\ud55c \uac04\uaca9\uc73c\ub85c \ud45c\ubcf8\uc744 \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc73c\ub85c, \uc608\ub97c \ub4e4\uc5b4 \ub9e4 10\ubc88\uc9f8 \uac1c\uccb4\ub97c \ud45c\ubcf8\uc73c\ub85c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
    • \uce35\ud654 \ucd94\ucd9c(Stratified Sampling)<\/strong>: \ubaa8\uc9d1\ub2e8\uc744 \uc5ec\ub7ec \uce35\uc73c\ub85c \ub098\ub208 \ud6c4, \uac01 \uce35\uc5d0\uc11c \ubb34\uc791\uc704\ub85c \ud45c\ubcf8\uc744 \ucd94\ucd9c\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uac01 \uce35\uc740 \ub3d9\uc9c8\uc801\uc778 \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
    • \uad70\uc9d1 \ucd94\ucd9c(Cluster Sampling)<\/strong>: \ubaa8\uc9d1\ub2e8\uc744 \ube44\uc2b7\ud55c \uad70\uc9d1\uc73c\ub85c \ub098\ub208 \ud6c4, \uba87 \uac1c\uc758 \uad70\uc9d1\uc744 \ubb34\uc791\uc704\ub85c \uc120\ud0dd\ud558\uc5ec \ubaa8\ub4e0 \uac1c\uccb4\ub97c \uc870\uc0ac\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

      3.\ucd94\ub860\uc758 \uae30\ubcf8 \uc6d0\ub9ac<\/strong>:<\/p>\n\n\n\n

        \n
      • \ud1b5\uacc4\uc801 \ucd94\ub860(Statistical Inference)<\/strong>: \ud45c\ubcf8\uc744 \ud1b5\ud574 \ubaa8\uc9d1\ub2e8\uc5d0 \ub300\ud55c \uc815\ubcf4\ub97c \uc5bb\ub294 \uacfc\uc815\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ucd94\ub860\uc758 \uae30\ubcf8 \uc6d0\ub9ac\ub85c\ub294 \ucd94\uc815(estimation)\uacfc \uac00\uc124 \uac80\uc815(hypothesis testing)\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n
      • \ucd94\uc815<\/strong>: \ud45c\ubcf8\uc744 \ubc14\ud0d5\uc73c\ub85c \ubaa8\uc9d1\ub2e8\uc758 \ud30c\ub77c\ubbf8\ud130(\ud3c9\uade0, \ubd84\uc0b0 \ub4f1)\uc5d0 \ub300\ud55c \ucd94\uc815\uce58\ub97c \uacc4\uc0b0\ud558\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
      • \uac00\uc124 \uac80\uc815<\/strong>: \ud2b9\uc815 \uac00\uc124\uc774 \ub9de\ub294\uc9c0 \uc544\ub2cc\uc9c0\ub97c \ud1b5\uacc4\uc801\uc73c\ub85c \ud3c9\uac00\ud558\ub294 \uacfc\uc815\uc73c\ub85c, \uc81c1\uc885 \uc624\ub958\uc640 \uc81c2\uc885 \uc624\ub958\uc758 \uc704\ud5d8\uc744 \uad00\ub9ac\ud558\uba74\uc11c \uc720\uc758\ubbf8\ud55c \uacb0\ub860\uc744 \ub0b4\ub9ac\ub294 \uac83\uc744 \ubaa9\ud45c\ub85c \ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

        4.\uc911\uc2ec \uadf9\ud55c \uc815\ub9ac(Central Limit Theorem)<\/strong>:<\/p>\n\n\n\n

          \n
        • \uc911\uc2ec \uadf9\ud55c \uc815\ub9ac\ub294 \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \ucda9\ubd84\ud788 \ud074 \ub54c, \ud45c\ubcf8 \ud3c9\uade0\uc758 \ubd84\ud3ec\uac00 \uc815\uaddc \ubd84\ud3ec\uc5d0 \uac00\uae4c\uc6cc\uc9c4\ub2e4\ub294 \uac83\uc744 \uc124\uba85\ud569\ub2c8\ub2e4. \uc774\ub294 \ud1b5\uacc4\uc801 \ucd94\ub860\uc744 \ud560 \ub54c \uc911\uc694\ud55c \uc774\ub860\uc801 \uae30\ucd08\uac00 \ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

          \ud45c\ubcf8\ub860\uc740 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \ub370\uc774\ud130 \ubd84\uc11d\uacfc \uacb0\uc815\uc744 \uc9c0\uc6d0\ud558\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc62c\ubc14\ub978 \ud45c\ubcf8 \ucd94\ucd9c \ubc29\ubc95\uacfc \ud1b5\uacc4\uc801 \uae30\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubaa8\uc9d1\ub2e8\uc5d0 \ub300\ud55c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc815\ubcf4\ub97c \uc81c\uacf5\ud558\ub294 \uac83\uc774 \ubaa9\ud45c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

          \"\"<\/figure>\n\n\n\n

          \uc704 \uadf8\ub9bc\uc740 \ubaa8\uc9d1\ub2e8(population)\uacfc \ud45c\ubcf8(sample)\uc758 \ubd84\ud3ec\ub97c \ube44\uad50\ud55c \uac83\uc785\ub2c8\ub2e4. \uac01 \uad6c\uc131 \uc694\uc18c\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

            \n
          1. Population (\ubaa8\uc9d1\ub2e8)<\/strong>:<\/li>\n<\/ol>\n\n\n\n
              \n
            • \ud30c\ub780\uc0c9 \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc740 \ubaa8\uc9d1\ub2e8\uc758 \ubd84\ud3ec\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n
            • \ubaa8\uc9d1\ub2e8\uc740 1000\uac1c\uc758 \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc73c\uba70, \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub985\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
                \n
              1. Sample (\ud45c\ubcf8)<\/strong>:<\/li>\n<\/ol>\n\n\n\n
                  \n
                • \ucd08\ub85d\uc0c9 \ud788\uc2a4\ud1a0\uadf8\ub7a8\uc740 \ubaa8\uc9d1\ub2e8\uc5d0\uc11c \ubb34\uc791\uc704\ub85c \ucd94\ucd9c\ud55c \ud45c\ubcf8\uc758 \ubd84\ud3ec\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n
                • \ud45c\ubcf8\uc740 100\uac1c\uc758 \ub370\uc774\ud130 \ud3ec\uc778\ud2b8\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc73c\uba70, \ubaa8\uc9d1\ub2e8\uc758 \ud2b9\uc131\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                  <\/span>\ud574\uc11d:<\/span><\/h3>\n\n\n\n
                    \n
                  • \ubaa8\uc9d1\ub2e8 \ubd84\ud3ec<\/strong>:<\/li>\n\n\n\n
                  • \ubaa8\uc9d1\ub2e8\uc758 \ubd84\ud3ec\ub294 \uc804\uccb4 \ub370\uc774\ud130\uc758 \ud2b9\uc131\uc744 \ub098\ud0c0\ub0b4\uba70, \uc5ec\uae30\uc11c\ub294 \ud3c9\uade0\uc774 0\uc774\uace0 \ud45c\uc900 \ud3b8\ucc28\uac00 1\uc778 \uc815\uaddc \ubd84\ud3ec\ub97c \ub530\ub985\ub2c8\ub2e4.<\/li>\n\n\n\n
                  • \ud45c\ubcf8 \ubd84\ud3ec<\/strong>:<\/li>\n\n\n\n
                  • \ud45c\ubcf8\uc740 \ubaa8\uc9d1\ub2e8\uc5d0\uc11c \ubb34\uc791\uc704\ub85c \ucd94\ucd9c\ub418\uc5c8\uae30 \ub54c\ubb38\uc5d0 \ubaa8\uc9d1\ub2e8\uc758 \ubd84\ud3ec\uc640 \uc720\uc0ac\ud558\uac8c \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/li>\n\n\n\n
                  • \ud45c\ubcf8\uc758 \ud06c\uae30\uac00 \ucda9\ubd84\ud788 \ud06c\uba74 \ud45c\ubcf8 \ubd84\ud3ec\ub294 \ubaa8\uc9d1\ub2e8 \ubd84\ud3ec\uc640 \ube44\uc2b7\ud558\uac8c \ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                    <\/span>\ud45c\ubcf8\ub860\uc758 \uc8fc\uc694 \uac1c\ub150:<\/span><\/h3>\n\n\n\n
                      \n
                    • \ud45c\ubcf8 \ucd94\ucd9c<\/strong>:<\/li>\n\n\n\n
                    • \ubaa8\uc9d1\ub2e8\uc5d0\uc11c \uc77c\ubd80 \ub370\uc774\ud130\ub97c \uc120\ud0dd\ud558\uc5ec \ubd84\uc11d\ud558\ub294 \uacfc\uc815\uc744 \ub9d0\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
                    • \ud45c\ubcf8\uc740 \ubaa8\uc9d1\ub2e8\uc758 \ud2b9\uc131\uc744 \ucd94\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n
                    • \ubb34\uc791\uc704 \ud45c\ubcf8 \ucd94\ucd9c<\/strong>:<\/li>\n\n\n\n
                    • \ubaa8\ub4e0 \ubaa8\uc9d1\ub2e8 \uad6c\uc131\uc6d0\uc774 \ub3d9\uc77c\ud55c \ud655\ub960\ub85c \ud45c\ubcf8\uc5d0 \ud3ec\ud568\ub420 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
                    • \ubb34\uc791\uc704 \ud45c\ubcf8 \ucd94\ucd9c\uc740 \ubaa8\uc9d1\ub2e8\uc758 \ud3b8\ud5a5\uc744 \ucd5c\uc18c\ud654\ud558\uace0 \ub300\ud45c\uc131\uc744 \ud655\ubcf4\ud558\ub294 \ub370 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                      \uc774 \uadf8\ub9bc\uc740 \ud45c\ubcf8\ub860\uc758 \uae30\ubcf8 \uc6d0\ub9ac\ub97c \uc2dc\uac01\uc801\uc73c\ub85c \uc774\ud574\ud558\ub294 \ub370 \ub3c4\uc6c0\uc744 \uc90d\ub2c8\ub2e4. \ud45c\ubcf8\uc740 \ubaa8\uc9d1\ub2e8\uc758 \ud2b9\uc131\uc744 \ucd94\uc815\ud558\uae30 \uc704\ud55c \ub3c4\uad6c\uc774\uba70, \ubb34\uc791\uc704 \ud45c\ubcf8 \ucd94\ucd9c\uc744 \ud1b5\ud574 \ubaa8\uc9d1\ub2e8\uc758 \ub300\ud45c\uc131\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

                      <\/span>\ud45c\ubcf8 \ucd94\ucd9c \ubc29\ubc95<\/span><\/h3>\n\n\n\n

                      \ud45c\ubcf8 \ucd94\ucd9c \ubc29\ubc95\uc740 \ub2e4\uc591\ud55c \ubc29\ubc95\uc774 \uc788\uc73c\uba70, \uac01 \ubc29\ubc95\uc740 \ud2b9\uc815 \uc0c1\ud669\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. \uc8fc\uc694 \ud45c\ubcf8 \ucd94\ucd9c \ubc29\ubc95\uacfc \uc608\uc2dc\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

                      <\/span>1. \ub2e8\uc21c \ub79c\ub364 \ud45c\ubcf8 \ucd94\ucd9c (Simple Random Sampling)<\/span><\/h3>\n\n\n\n
                        \n
                      • \uc124\uba85<\/strong>: \ubaa8\uc9d1\ub2e8\uc758 \ubaa8\ub4e0 \uad6c\uc131\uc6d0\uc774 \ub3d9\uc77c\ud55c \ud655\ub960\ub85c \uc120\ud0dd\ub418\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
                      • \uc608\uc2dc<\/strong>: 1000\uba85\uc758 \ud559\uc0dd \uc911\uc5d0\uc11c 50\uba85\uc744 \ubb34\uc791\uc704\ub85c \ucd94\ucd9c\ud558\uc5ec \uc124\ubb38\uc870\uc0ac\ub97c \ud558\ub294 \uacbd\uc6b0.<\/li>\n<\/ul>\n\n\n\n

                        <\/span>2. \uacc4\ud1b5 \ud45c\ubcf8 \ucd94\ucd9c (Systematic Sampling)<\/span><\/h3>\n\n\n\n
                          \n
                        • \uc124\uba85<\/strong>: \uc77c\uc815\ud55c \uac04\uaca9\uc73c\ub85c \ud45c\ubcf8\uc744 \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \ucc98\uc74c \uc2dc\uc791\uc810\uc744 \ubb34\uc791\uc704\ub85c \uc120\ud0dd\ud558\uace0 \uc774\ud6c4 \uc77c\uc815\ud55c \uac04\uaca9\uc73c\ub85c \ucd94\ucd9c\ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
                        • \uc608\uc2dc<\/strong>: 1000\uba85\uc758 \uc9c1\uc6d0 \uba85\ub2e8\uc5d0\uc11c \ucc98\uc74c \uc9c1\uc6d0 \ubc88\ud638\ub97c \ubb34\uc791\uc704\ub85c \uc120\ud0dd\ud55c \ud6c4, \ub9e4 10\ubc88\uc9f8 \uc9c1\uc6d0\ub9c8\ub2e4 \ud45c\ubcf8\uc744 \uc120\ud0dd\ud558\ub294 \uacbd\uc6b0.<\/li>\n<\/ul>\n\n\n\n

                          <\/span>3. \uce35\ud654 \ud45c\ubcf8 \ucd94\ucd9c (Stratified Sampling)<\/span><\/h3>\n\n\n\n
                            \n
                          • \uc124\uba85<\/strong>: \ubaa8\uc9d1\ub2e8\uc744 \uc5ec\ub7ec \uce35\uc73c\ub85c \ub098\ub204\uace0, \uac01 \uce35\uc5d0\uc11c \ubb34\uc791\uc704\ub85c \ud45c\ubcf8\uc744 \ucd94\ucd9c\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uac01 \uce35\uc740 \ub3d9\uc9c8\uc801\uc778 \ud2b9\uc131\uc744 \uac00\uc9d1\ub2c8\ub2e4.<\/li>\n\n\n\n
                          • \uc608\uc2dc<\/strong>: \ud559\uad50\uc5d0\uc11c \ud559\ub144\ubcc4\ub85c \ud559\uc0dd\uc744 \uce35\uc73c\ub85c \ub098\ub204\uace0, \uac01 \ud559\ub144\uc5d0\uc11c \uc77c\uc815 \ube44\uc728\ub85c \ud559\uc0dd\uc744 \ubb34\uc791\uc704\ub85c \uc120\ud0dd\ud558\ub294 \uacbd\uc6b0.<\/li>\n<\/ul>\n\n\n\n

                            <\/span>4. \uad70\uc9d1 \ud45c\ubcf8 \ucd94\ucd9c (Cluster Sampling)<\/span><\/h3>\n\n\n\n
                              \n
                            • \uc124\uba85<\/strong>: \ubaa8\uc9d1\ub2e8\uc744 \uc5ec\ub7ec \uad70\uc9d1\uc73c\ub85c \ub098\ub204\uace0, \uba87 \uac1c\uc758 \uad70\uc9d1\uc744 \ubb34\uc791\uc704\ub85c \uc120\ud0dd\ud558\uc5ec \uadf8 \uad70\uc9d1 \ub0b4 \ubaa8\ub4e0 \uad6c\uc131\uc6d0\uc744 \ud45c\ubcf8\uc73c\ub85c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
                            • \uc608\uc2dc<\/strong>: \ub3c4\uc2dc\ub97c \uc5ec\ub7ec \uad6c\uc5ed\uc73c\ub85c \ub098\ub204\uace0, \uba87 \uac1c\uc758 \uad6c\uc5ed\uc744 \ubb34\uc791\uc704\ub85c \uc120\ud0dd\ud558\uc5ec \uadf8 \uad6c\uc5ed \ub0b4 \ubaa8\ub4e0 \uac00\uad6c\ub97c \uc870\uc0ac\ud558\ub294 \uacbd\uc6b0.<\/li>\n<\/ul>\n\n\n\n

                              <\/span>5. \ud3b8\uc758 \ud45c\ubcf8 \ucd94\ucd9c (Convenience Sampling)<\/span><\/h3>\n\n\n\n
                                \n
                              • \uc124\uba85<\/strong>: \uc811\uadfc\uc774 \uc26c\uc6b4 \uad6c\uc131\uc6d0\ub4e4\uc744 \ud45c\ubcf8\uc73c\ub85c \uc120\ud0dd\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc774\ub294 \uac00\uc7a5 \uc26c\uc6b4 \ubc29\ubc95\uc774\uc9c0\ub9cc \ub300\ud45c\uc131\uc774 \ub0ae\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n
                              • \uc608\uc2dc<\/strong>: \uc1fc\ud551\ubab0\uc5d0\uc11c \uc9c0\ub098\uac00\ub294 \uc0ac\ub78c\ub4e4\uc744 \ub300\uc0c1\uc73c\ub85c \uc989\uc11d\uc5d0\uc11c \uc124\ubb38\uc870\uc0ac\ub97c \ud558\ub294 \uacbd\uc6b0.<\/li>\n<\/ul>\n\n\n\n

                                <\/span>6. \ud560\ub2f9 \ud45c\ubcf8 \ucd94\ucd9c (Quota Sampling)<\/span><\/h3>\n\n\n\n
                                  \n
                                • \uc124\uba85<\/strong>: \ud2b9\uc815 \ud2b9\uc131\uc744 \uae30\uc900\uc73c\ub85c \ubaa8\uc9d1\ub2e8\uc744 \ub098\ub204\uace0, \uac01 \uadf8\ub8f9\uc5d0\uc11c \uc77c\uc815 \uc218\uc758 \ud45c\ubcf8\uc744 \ud560\ub2f9\ud558\uc5ec \ucd94\ucd9c\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
                                • \uc608\uc2dc<\/strong>: \uc5f0\ub839\ub300\ubcc4\ub85c \uc0ac\ub78c\ub4e4\uc744 \ub098\ub204\uace0, \uac01 \uc5f0\ub839\ub300\uc5d0\uc11c \uc77c\uc815 \uc218\uc758 \uc0ac\ub78c\uc744 \uc120\ud0dd\ud558\uc5ec \uc870\uc0ac\ud558\ub294 \uacbd\uc6b0.<\/li>\n<\/ul>\n\n\n\n

                                  <\/span>\uc2dc\uac01\uc801 \uc608\uc2dc\ub97c \ud1b5\ud574 \uc774\ud574\ub97c \ub3d5\uae30 \uc704\ud55c \uac04\ub2e8\ud55c \uadf8\ub9bc:<\/span><\/h3>\n\n\n\n

                                  <\/p>\n","protected":false},"excerpt":{"rendered":"

                                  \ud45c\ubcf8\ub860(Sampling theory)\uc740 \ud1b5\uacc4\ud559\uc758 \ud55c \ubd84\uc57c\ub85c, \ud1b5\uacc4\uc801 \ucd94\ub860\uc744 \uc704\ud574 \ud45c\ubcf8\uc744 \uc5b4\ub5bb\uac8c \ucd94\ucd9c\ud558\uace0 \ubd84\uc11d\ud558\ub294\uc9c0\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. \ud1b5\uacc4\uc801 \ucd94\ub860\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ubaa8\uc9d1\ub2e8(population)\uc5d0 \ub300\ud55c…<\/p>\n","protected":false},"author":1,"featured_media":1034,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-780","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-stat","wpcat-6-id"],"_links":{"self":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=780"}],"version-history":[{"count":4,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/780\/revisions"}],"predecessor-version":[{"id":1028,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/780\/revisions\/1028"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/media\/1034"}],"wp:attachment":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=780"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}