{"id":752,"date":"2024-07-11T08:20:04","date_gmt":"2024-07-11T08:20:04","guid":{"rendered":"http:\/\/www.ohsumin.com\/?p=752"},"modified":"2025-06-11T01:23:00","modified_gmt":"2025-06-11T01:23:00","slug":"%ec%98%a4%eb%a5%98%ec%9d%98-%ec%a2%85%eb%a5%98","status":"publish","type":"post","link":"http:\/\/www.inmining.co.kr\/?p=752","title":{"rendered":"\uc624\ub958\uc758 \uc885\ub958(Type I Error, Type II Error)"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

\uc81c1\uc885 \uc624\ub958(Type I Error)\uc640 \uc81c2\uc885 \uc624\ub958(Type II Error)\ub294 \ud1b5\uacc4\uc801 \uac00\uc124 \uac80\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ub450 \uac00\uc9c0 \uc720\ud615\uc758 \uc624\ub958\ub97c \ub9d0\ud569\ub2c8\ub2e4. \uc8fc\ub85c \uac00\uc124 \uac80\uc815\uc5d0\uc11c \uc2e4\uc81c \uc0c1\ud669\uacfc\uc758 \ucc28\uc774\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \uc624\ub958\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

    \n
  1. \uc81c1\uc885 \uc624\ub958 (Type I Error)<\/strong>:<\/li>\n<\/ol>\n\n\n\n
      \n
    • \uc81c1\uc885 \uc624\ub958\ub294 “\uc624\ub958\ub97c \ubc94\ud560 \ud655\ub960”\ub85c\ub3c4 \uc54c\ub824\uc838 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc624\ub958\ub294 \uadc0\ubb34 \uac00\uc124(Null Hypothesis)\uc774 \ucc38\uc77c \ub54c, \uc6b0\uc5f0\ud788 \uadc0\ubb34 \uac00\uc124\uc744 \uae30\uac01\ud558\ub294 \uacbd\uc6b0\uc785\ub2c8\ub2e4. \ub2e4\uc2dc \ub9d0\ud574, \uc2e4\uc81c\ub85c\ub294 \ucc38\uc778\ub370 \uac70\uc9d3\uc774\ub77c\uace0 \uc798\ubabb \uacb0\ub860 \ub0b4\ub9ac\ub294 \uc624\ub958\uc785\ub2c8\ub2e4. \ubcf4\ud1b5 \uc720\uc758 \uc218\uc900(\u03b1, alpha)\uc774\ub77c \ubd88\ub9ac\ub294 \uc784\uacc4\uac12\uacfc \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc758\ub8cc \uc5f0\uad6c\uc5d0\uc11c \uc2e4\uc81c\ub85c\ub294 \uc57d\uc774 \ud6a8\uacfc\uac00 \uc5c6\uc9c0\ub9cc, \uc784\uc758\ub85c \uc720\uc758\ubbf8\ud55c \ud6a8\uacfc\uac00 \uc788\ub2e4\uace0 \uc798\ubabb \uacb0\ub860 \ub0b4\ub9ac\ub294 \uacbd\uc6b0\uac00 \uc81c1\uc885 \uc624\ub958\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
        \n
      1. \uc81c2\uc885 \uc624\ub958 (Type II Error)<\/strong>:<\/li>\n<\/ol>\n\n\n\n
          \n
        • \uc81c2\uc885 \uc624\ub958\ub294 “\uc624\ub958\ub97c \ubc94\ud558\uc9c0 \uc54a\uc744 \ud655\ub960”\ub85c\ub3c4 \uc54c\ub824\uc838 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc624\ub958\ub294 \ub300\ub9bd \uac00\uc124(Alternative Hypothesis)\uc774 \ucc38\uc77c \ub54c, \uc6b0\uc5f0\ud788 \uadc0\ubb34 \uac00\uc124\uc744 \ucc44\ud0dd\ud558\ub294 \uacbd\uc6b0\uc785\ub2c8\ub2e4. \uc989, \uc2e4\uc81c\ub85c\ub294 \uac70\uc9d3\uc778\ub370 \ucc38\uc73c\ub85c \ubc1b\uc544\ub4e4\uc774\uc9c0 \uc54a\ub294 \uc624\ub958\uc785\ub2c8\ub2e4. \uc81c2\uc885 \uc624\ub958\ub294 \ud1b5\uacc4\uc801 \uac80\uc815\ub825(power)\uacfc \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc2e4\uc81c\ub85c \uc57d\uc774 \ud6a8\uacfc\uac00 \uc788\ub294\ub370\ub3c4 \ubd88\uad6c\ud558\uace0 \ud6a8\uacfc\uac00 \uc5c6\ub2e4\uace0 \uc798\ubabb \uacb0\ub860 \ub0b4\ub9ac\ub294 \uacbd\uc6b0\uac00 \uc81c2\uc885 \uc624\ub958\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

          \uc774 \ub450 \uc885\ub958\uc758 \uc624\ub958\ub294 \ud1b5\uacc4\uc801 \uac00\uc124 \uac80\uc815\uc5d0\uc11c \uc911\uc694\ud55c \uac1c\ub150\uc73c\ub85c, \uc5f0\uad6c\ub098 \uc2e4\ud5d8 \uacb0\uacfc\uc758 \ud574\uc11d\uc5d0 \uc788\uc5b4 \uc62c\ubc14\ub978 \uacb0\ub860\uc744 \ub3c4\ucd9c\ud558\uae30 \uc704\ud574 \uace0\ub824\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n

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

          \uc704 \uadf8\ub9bc\uc740 \uc81c1\uc885 \uc624\ub958(Type I Error)\uc640 \uc81c2\uc885 \uc624\ub958(Type II Error)\ub97c \ube44\uad50\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

          <\/span>\uc8fc\uc694 \uad6c\uc131 \uc694\uc18c:<\/span><\/h3>\n\n\n\n
            \n
          1. Null Hypothesis (H0) Distribution<\/strong>:<\/li>\n<\/ol>\n\n\n\n
              \n
            • \ud30c\ub780\uc0c9 \uace1\uc120\uc740 \uadc0\ubb34 \uac00\uc124\uc774 \ucc38\uc77c \ub54c\uc758 \ubd84\ud3ec\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n
            • \uadc0\ubb34 \uac00\uc124 \ubd84\ud3ec\uc758 \ud655\ub960 \ubc00\ub3c4 \ud568\uc218\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
                \n
              1. Alternative Hypothesis (H1) Distribution<\/strong>:<\/li>\n<\/ol>\n\n\n\n
                  \n
                • \ub179\uc0c9 \uace1\uc120\uc740 \ub300\ub9bd \uac00\uc124\uc774 \ucc38\uc77c \ub54c\uc758 \ubd84\ud3ec\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n
                • \ub300\ub9bd \uac00\uc124 \ubd84\ud3ec\uc758 \ud655\ub960 \ubc00\ub3c4 \ud568\uc218\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
                    \n
                  1. Critical Value (\uc784\uacc4\uac12)<\/strong>:<\/li>\n<\/ol>\n\n\n\n
                      \n
                    • \uac80\uc815 \ud1b5\uacc4\ub7c9\uc758 \uc784\uacc4\uac12\uc740 \uac80\uc815\uc758 \uc720\uc758 \uc218\uc900(\u03b1)\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n
                    • \uadf8\ub9bc\uc5d0\uc11c\ub294 \uc784\uacc4\uac12\uc774 \uc810\uc120\uc73c\ub85c \ud45c\uc2dc\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
                        \n
                      1. Type I Error (\u03b1, \uc81c1\uc885 \uc624\ub958)<\/strong>:<\/li>\n<\/ol>\n\n\n\n
                          \n
                        • \ud30c\ub780\uc0c9 \uc74c\uc601 \uc601\uc5ed\uc740 \uadc0\ubb34 \uac00\uc124\uc774 \ucc38\uc784\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uc798\ubabb \uae30\uac01\ud558\ub294 \uc624\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n
                        • \uc774 \uc601\uc5ed\uc758 \uba74\uc801\uc740 \u03b1\uac12\uc5d0 \ud574\ub2f9\ud558\uba70, \uc784\uacc4\uac12 \uc624\ub978\ucabd\uc5d0 \uc704\uce58\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n
                            \n
                          1. Type II Error (\u03b2, \uc81c2\uc885 \uc624\ub958)<\/strong>:<\/li>\n<\/ol>\n\n\n\n
                              \n
                            • \ub179\uc0c9 \uc74c\uc601 \uc601\uc5ed\uc740 \ub300\ub9bd \uac00\uc124\uc774 \ucc38\uc784\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uadc0\ubb34 \uac00\uc124\uc744 \uae30\uac01\ud558\uc9c0 \ubabb\ud558\ub294 \uc624\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/li>\n\n\n\n
                            • \uc774 \uc601\uc5ed\uc758 \uba74\uc801\uc740 \u03b2\uac12\uc5d0 \ud574\ub2f9\ud558\uba70, \uc784\uacc4\uac12 \uc67c\ucabd\uc5d0 \uc704\uce58\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                              <\/span>\ud574\uc11d:<\/span><\/h3>\n\n\n\n
                                \n
                              • \uc81c1\uc885 \uc624\ub958 (Type I Error)<\/strong>:<\/li>\n\n\n\n
                              • \uc2e4\uc81c\ub85c\ub294 \ud6a8\uacfc\uac00 \uc5c6\ub294\ub370\ub3c4 \ubd88\uad6c\ud558\uace0, \ud6a8\uacfc\uac00 \uc788\ub2e4\uace0 \uc798\ubabb \uacb0\ub860 \ub0b4\ub9ac\ub294 \uc624\ub958\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
                              • \u03b1\ub85c \ub098\ud0c0\ub0b4\uba70, \uc774\ub294 \uc784\uacc4\uac12 \uc624\ub978\ucabd\uc758 \ud30c\ub780\uc0c9 \uc74c\uc601 \uc601\uc5ed\uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n
                              • \uc81c2\uc885 \uc624\ub958 (Type II Error)<\/strong>:<\/li>\n\n\n\n
                              • \uc2e4\uc81c\ub85c\ub294 \ud6a8\uacfc\uac00 \uc788\ub294\ub370\ub3c4 \ubd88\uad6c\ud558\uace0, \ud6a8\uacfc\uac00 \uc5c6\ub2e4\uace0 \uc798\ubabb \uacb0\ub860 \ub0b4\ub9ac\ub294 \uc624\ub958\uc785\ub2c8\ub2e4.<\/li>\n\n\n\n
                              • \u03b2\ub85c \ub098\ud0c0\ub0b4\uba70, \uc774\ub294 \uc784\uacc4\uac12 \uc67c\ucabd\uc758 \ub179\uc0c9 \uc74c\uc601 \uc601\uc5ed\uc73c\ub85c \ud45c\uc2dc\ub429\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

                                \uc774 \uadf8\ub9bc\uc744 \ud1b5\ud574 \uc81c1\uc885 \uc624\ub958\uc640 \uc81c2\uc885 \uc624\ub958\uc758 \ucc28\uc774\ub97c \uc2dc\uac01\uc801\uc73c\ub85c \uc774\ud574\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc81c1\uc885 \uc624\ub958\ub294 \uadc0\ubb34 \uac00\uc124\uc774 \ucc38\uc77c \ub54c \uc798\ubabb \uae30\uac01\ud558\ub294 \uc624\ub958\ub97c \ub098\ud0c0\ub0b4\uba70, \uc81c2\uc885 \uc624\ub958\ub294 \ub300\ub9bd \uac00\uc124\uc774 \ucc38\uc77c \ub54c \uadc0\ubb34 \uac00\uc124\uc744 \uc798\ubabb \ucc44\ud0dd\ud558\ub294 \uc624\ub958\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

                                \uc81c1\uc885 \uc624\ub958(Type I Error)\uc640 \uc81c2\uc885 \uc624\ub958(Type II Error)\ub294 \ud1b5\uacc4\uc801 \uac00\uc124 \uac80\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ub450 \uac00\uc9c0 \uc720\ud615\uc758 \uc624\ub958\ub97c…<\/p>\n","protected":false},"author":1,"featured_media":1030,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-752","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\/752","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=752"}],"version-history":[{"count":3,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/752\/revisions"}],"predecessor-version":[{"id":1033,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/posts\/752\/revisions\/1033"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=\/wp\/v2\/media\/1030"}],"wp:attachment":[{"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=752"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=752"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.inmining.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=752"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}