{"id":49,"date":"2023-08-06T01:14:35","date_gmt":"2023-08-06T01:14:35","guid":{"rendered":"https:\/\/statorials.org\/ja\/%e5%b1%a4%e5%8c%96%e6%8a%bd%e5%87%ba%e6%b3%95\/"},"modified":"2023-08-06T01:14:35","modified_gmt":"2023-08-06T01:14:35","slug":"%e5%b1%a4%e5%8c%96%e6%8a%bd%e5%87%ba%e6%b3%95","status":"publish","type":"post","link":"https:\/\/statorials.org\/ja\/%e5%b1%a4%e5%8c%96%e6%8a%bd%e5%87%ba%e6%b3%95\/","title":{"rendered":"\u5c64\u5316\u62bd\u51fa\u6cd5"},"content":{"rendered":"<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3068\u306f\u4f55\u304b\u3001\u307e\u305f\u305d\u306e\u5b9f\u884c\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u30b5\u30d6\u30bf\u30a4\u30d7\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u6700\u5f8c\u306b\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u9577\u6240\u3068\u77ed\u6240\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%c2%bfque-es-el-muestreo-estratificado\"><\/span>\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3068\u306f\u4f55\u3067\u3059\u304b?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306f<\/strong>\u3001\u6bcd\u96c6\u56e3\u3092\u30b0\u30eb\u30fc\u30d7 (\u5c64\u3068\u547c\u3070\u308c\u307e\u3059) \u306b\u5206\u5272\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u30b5\u30f3\u30d7\u30eb\u306e\u8981\u7d20\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u7d71\u8a08\u7684\u624b\u6cd5\u3067\u3059\u3002\u3064\u307e\u308a\u3001\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3067\u306f\u3001\u6bcd\u96c6\u56e3\u304c\u3044\u304f\u3064\u304b\u306e\u5c64\u306b\u5206\u5272\u3055\u308c\u3001\u5404\u5c64\u304b\u3089\u306e\u500b\u4eba\u304c\u30e9\u30f3\u30c0\u30e0\u306b\u9078\u629e\u3055\u308c\u3066\u7814\u7a76\u30b5\u30f3\u30d7\u30eb\u5168\u4f53\u304c\u5f62\u6210\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u5c64\u306f\u540c\u8cea\u306e\u96c6\u56e3\u3067\u3059\u3002\u8a00\u3044\u63db\u3048\u308c\u3070\u3001\u5c64\u5185\u306e\u500b\u4eba\u306f\u4ed6\u306e\u5c64\u3068\u306f\u7570\u306a\u308b\u72ec\u81ea\u306e\u7279\u6027\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u500b\u4eba\u306f 1 \u3064\u306e\u968e\u5c64\u306b\u306e\u307f\u5c5e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/echantillonnage-stratifie.png\" alt=\"\u5c64\u5316\u62bd\u51fa\u6cd5\" class=\"wp-image-905\" width=\"479\" height=\"459\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306f\u3001\u6bcd\u96c6\u56e3\u304c\u4e92\u3044\u306b\u5927\u304d\u304f\u7570\u306a\u308b\u975e\u5e38\u306b\u540c\u7a2e\u306e\u30b0\u30eb\u30fc\u30d7\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306b\u975e\u5e38\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<p>\u8ad6\u7406\u7684\u306b\u306f\u3001\u3059\u3079\u3066\u306e\u5c64\u306e\u30b5\u30a4\u30ba\u306e\u5408\u8a08\u306b\u3088\u308a\u3001\u7d71\u8a08\u4e0a\u306e\u6bcd\u96c6\u56e3\u306e\u30b5\u30a4\u30ba\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-b2ececfba042329c3a7086b44e821ae1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N=N_1+N_2+N_3+\\dots+N_k\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"234\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p>\u540c\u69d8\u306b\u3001\u5404\u5c64\u3067\u9078\u629e\u3055\u308c\u305f\u30b5\u30f3\u30d7\u30eb \u30b5\u30a4\u30ba\u306e\u5408\u8a08\u306f\u3001\u7d71\u8a08\u8abf\u67fb\u306e\u5408\u8a08\u30b5\u30f3\u30d7\u30eb \u30b5\u30a4\u30ba\u3068\u7b49\u3057\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-c31947ba0294d0c8e3b48b715a5d72e5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n=n_1+n_2+n_3+\\dots+n_k\" title=\"Rendered by QuickLaTeX.com\" height=\"14\" width=\"215\" style=\"vertical-align: -3px;\"><\/p>\n<\/p>\n<p>\u901a\u5e38\u3001\u5927\u6587\u5b57\u3068\u5c0f\u6587\u5b57\u3092\u533a\u5225\u3057\u3066\u3001\u305d\u308c\u305e\u308c\u6bcd\u96c6\u56e3\u307e\u305f\u306f\u30b5\u30f3\u30d7\u30eb\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"como-hacer-un-muestreo-estratificado\"><\/span>\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u65b9\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3092\u5b9f\u884c\u3059\u308b\u624b\u9806\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol style=\"color:#FF8A05; font-weight: bold;\">\n<li style=\"margin-bottom:12px\"><span style=\"color:#101010;font-weight: normal;\">\u5bfe\u8c61\u96c6\u56e3\u3092\u5b9a\u7fa9\u3057\u307e\u3059\u3002<\/span><\/li>\n<li style=\"margin-bottom:12px\"><span style=\"color:#101010;font-weight: normal;\"><strong>\u5909\u6570\u306e\u968e\u5c64\u5316<\/strong>\u3068\u3001\u5b58\u5728\u3059\u308b\u968e\u5c64\u306e\u6570\u3092\u9078\u629e\u3057\u307e\u3059\u3002<\/span><\/li>\n<li style=\"margin-bottom:12px\"><span style=\"color:#101010;font-weight: normal;\"><strong>\u6bcd\u96c6\u56e3\u306e\u5404\u8981\u7d20\u304c\u3069\u306e\u5c64\u306b\u5c5e\u3057\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002<\/strong><\/span><\/li>\n<li style=\"margin-bottom:12px\"><span style=\"color:#101010;font-weight: normal;\">\u30b5\u30f3\u30d7\u30eb\u306e\u4e00\u90e8\u3068\u306a\u308b<strong>\u5404\u5c64\u306e\u30b5\u30a4\u30ba<\/strong>\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<\/span><\/li>\n<li><span style=\"color:#101010;font-weight: normal;\">\u7814\u7a76\u30b5\u30f3\u30d7\u30eb\u306b\u5c5e\u3059\u308b<strong>\u5404\u5c64\u304b\u3089\u8981\u7d20\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u9078\u629e\u3057\u307e\u3059<\/strong>\u3002\u5404\u5c64\u306b\u3064\u3044\u3066\u3001\u524d\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u6c7a\u5b9a\u3057\u305f\u306e\u3068\u540c\u3058\u6570\u306e\u8981\u7d20\u3092\u9078\u629e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/span><\/li>\n<\/ol>\n<p>\u30b5\u30f3\u30d7\u30eb\u5185\u3067\u5404\u5c64\u304c\u8868\u3059\u30b5\u30a4\u30ba\u306f\u3001\u5c64\u306e\u30b5\u30a4\u30ba\u3060\u3051\u3067\u306a\u304f\u3001\u5c64\u5225\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u30bf\u30a4\u30d7\u306b\u3082\u4f9d\u5b58\u3059\u308b\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6b21\u306b\u3001\u5c64\u5225\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u7a2e\u985e\u3068\u5404\u5c64\u306e\u30b5\u30f3\u30d7\u30eb\u30b5\u30a4\u30ba\u306e\u8a08\u7b97\u65b9\u6cd5\u3092\u4f8b\u3092\u7528\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"tipos-de-muestreo-estratificado\"><\/span>\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u7a2e\u985e<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u5b9a\u7fa9\u3092\u7406\u89e3\u3057\u305f\u3068\u3053\u308d\u3067\u3001\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308a\u3001\u6b21\u306e\u3088\u3046\u306b\u5206\u985e\u3055\u308c\u308b\u3053\u3068\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u6bd4\u4f8b\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<\/strong><\/li>\n<li><strong>\u5747\u4e00\u306a\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<\/strong><\/li>\n<li><strong><span style=\"font-family: -apple-system, BlinkMacSystemFont, &quot;Segoe UI&quot;, Roboto, Oxygen-Sans, Ubuntu, Cantarell, &quot;Helvetica Neue&quot;, sans-serif; font-size: 1rem; font-weight: inherit;\">\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306f\u6700\u9069\u3067\u3059<\/span><\/strong><\/li>\n<\/ul>\n<p>\u305d\u308c\u305e\u308c\u306e\u610f\u5473\u3092\u3088\u308a\u3088\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u5c64\u5225\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u5404\u30bf\u30a4\u30d7\u306b\u3064\u3044\u3066\u4ee5\u4e0b\u3067\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002 <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"muestreo-estratificado-proporcional\"><\/span>\u6bd4\u4f8b\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u5c64\u5316\u6bd4\u4f8b\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<\/strong>(\u6bd4\u4f8b\u914d\u5206\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0) \u3067\u306f\u3001\u7814\u7a76\u30b5\u30f3\u30d7\u30eb\u306e\u4e00\u90e8\u3067\u3042\u308b\u5404\u5c64\u306e\u8981\u7d20\u306e\u6570\u306f\u3001\u5404\u5c64\u306e\u30b5\u30a4\u30ba\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u3042\u308b\u5c64\u304c\u5225\u306e\u5c64\u3088\u308a\u3082\u5927\u304d\u3044\u5834\u5408\u3001\u6700\u7d42\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u305d\u306e\u5c64\u304b\u3089\u306e\u8981\u7d20\u304c\u3088\u308a\u591a\u304f\u542b\u307e\u308c\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u4e00\u65b9\u3001\u3042\u308b\u5c64\u304c\u5225\u306e\u5c64\u3088\u308a\u3082\u5c0f\u3055\u3044\u5834\u5408\u3001\u7d71\u8a08\u5206\u6790\u30b5\u30f3\u30d7\u30eb\u5185\u306e\u3053\u306e\u5c64\u306e\u8981\u7d20\u306f\u5c11\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u30bf\u30a4\u30d7\u306e\u5c64\u5225\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306f\u3001\u5c64\u306e\u30b5\u30a4\u30ba\u304c\u7570\u306a\u308a\u3001\u3088\u308a\u5927\u304d\u306a\u5c64\u304b\u3089\u306e\u8981\u7d20\u3092\u3088\u308a\u591a\u304f\u30b5\u30f3\u30d7\u30eb\u306b\u542b\u3081\u305f\u3044\u5834\u5408\u306b\u4fbf\u5229\u3067\u3059\u3002<\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u5185<strong>\u306b\u542b\u307e\u308c\u308b\u5404\u5c64\u306e\u8981\u7d20\u306e\u6570\u3092\u8a08\u7b97\u3059\u308b<\/strong>\u306b\u306f\u3001\u5404\u5c64\u306e\u30b5\u30a4\u30ba\u3092\u3059\u3079\u3066\u306e\u5c64\u306e\u30b5\u30a4\u30ba\u306e\u5408\u8a08\u3067\u5272\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u7d50\u679c\u306f\u30b5\u30f3\u30d7\u30eb\u306b\u542b\u307e\u308c\u308b\u5c64\u306e\u5272\u5408\u3068\u306a\u308b\u305f\u3081\u3001\u3053\u308c\u306b\u5e0c\u671b\u306e\u30b5\u30f3\u30d7\u30eb \u30b5\u30a4\u30ba\u3092\u639b\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-f26eaaddae8ae7638c66c983f899b5ea_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_i=n\\cdot \\cfrac{N_i}{N_1+N_2+\\dots +N_k}=n\\cdot \\cfrac{N_i}{N}\" title=\"Rendered by QuickLaTeX.com\" height=\"41\" width=\"286\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p>\u91d1<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-ec4217f4fa5fcd92a9edceba0e708cf7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u306f\u5fc5\u8981\u306a\u30b5\u30f3\u30d7\u30eb\u306e\u5408\u8a08\u30b5\u30a4\u30ba\u3067\u3059\u3002<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-5f087375b50e0b49186779714206626b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u5c64\u5185\u306e\u8981\u7d20\u306e\u6570<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-31318c5dcb226c69e0818e5f7d2422b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"i\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u306b\u542b\u307e\u308c\u308b\u3001<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-92ba15d795a7b4f9df3bf105473b4b6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N_i\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"19\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u5c64\u306e\u30b5\u30a4\u30ba<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-31318c5dcb226c69e0818e5f7d2422b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"i\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3001 \u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-7354bae77b50b7d1faed3e8ea7a3511a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"16\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u6bcd\u96c6\u56e3\u5185\u306e\u8981\u7d20\u306e\u7dcf\u6570\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u5f93\u696d\u54e1 150 \u4eba\u306e\u4f1a\u793e\u3067 50 \u4eba\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u63a1\u53d6\u3057\u3001\u5f93\u696d\u54e1\u306e\u5e74\u9f62\u306b\u57fa\u3065\u3044\u3066\u30c7\u30fc\u30bf\u3092\u5c64\u5225\u5316\u3057\u3066\u8abf\u67fb\u3057\u305f\u3044\u3068\u8003\u3048\u305f\u3068\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306f\u6b21\u306e\u3088\u3046\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li> 20\u6b73\uff5e29\u6b73\u307e\u3067 35\u540d<\/li>\n<li>30\u6b73\uff5e39\u6b73\u307e\u3067 57\u540d<\/li>\n<li>40\u6b73\uff5e49\u6b73 \u5f93\u696d\u54e142\u540d<\/li>\n<li>50\u6b73\uff5e59\u6b73\uff1a16\u540d<\/li>\n<\/ul>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u30c7\u30fc\u30bf\u3092\u6bd4\u4f8b\u7684\u306b\u968e\u5c64\u5316\u3059\u308b\u3068\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/echantillonnage-stratifie-proportionnel.png\" alt=\"\u6bd4\u4f8b\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\" class=\"wp-image-911\" width=\"390\" height=\"152\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"muestreo-estratificado-uniforme\"><\/span>\u5747\u4e00\u306a\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u5747\u4e00\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<\/strong>\u3001\u307e\u305f\u306f\u5747\u4e00\u4ed8\u52a0\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3067\u306f\u3001\u7814\u7a76\u30b5\u30f3\u30d7\u30eb\u306e\u4e00\u90e8\u3067\u3042\u308b\u5404\u5c64\u306e\u8981\u7d20\u306e\u6570\u306f\u7b49\u3057\u3044\u3067\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u3053\u306e\u30bf\u30a4\u30d7\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3067\u306f\u3001\u5404\u5c64\u306e\u91cd\u307f\u306f\u540c\u3058\u306b\u306a\u308a\u307e\u3059\u3002\u3042\u308b\u5c64\u306e\u500b\u4f53\u6570\u304c\u4ed6\u306e\u5c64\u3088\u308a\u591a\u3044\u304b\u5c11\u306a\u3044\u304b\u306b\u95a2\u4fc2\u306a\u304f\u3001\u30b5\u30f3\u30d7\u30eb\u5185\u3067\u306f\u3059\u3079\u3066\u304c\u540c\u3058\u6570\u306e\u500b\u4f53\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u5834\u5408\u3001<strong>\u5404\u5c64\u306e\u8981\u7d20\u306e\u30b5\u30a4\u30ba\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001<\/strong>\u5fc5\u8981\u306a\u30b5\u30f3\u30d7\u30eb \u30b5\u30a4\u30ba\u3092\u65e2\u5b58\u306e\u5c64\u306e\u6570\u3067\u5272\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u3001\u6b21\u306e\u5f0f\u3092\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-e5967c394296c2bc93aa9dfe2925295d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_i=\\cfrac{n}{k}\" title=\"Rendered by QuickLaTeX.com\" height=\"34\" width=\"53\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u91d1<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-ec4217f4fa5fcd92a9edceba0e708cf7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u306f\u5fc5\u8981\u306a\u30b5\u30f3\u30d7\u30eb\u306e\u5408\u8a08\u30b5\u30a4\u30ba\u3067\u3059\u3002<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-5f087375b50e0b49186779714206626b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u5c64\u5185\u306e\u8981\u7d20\u306e\u6570<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-31318c5dcb226c69e0818e5f7d2422b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"i\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u8ab0\u304c\u30b5\u30f3\u30d7\u30eb\u306b\u542b\u307e\u308c\u308b\u306e\u304b\u3001\u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-d42bc2203d6f76ad01b27ac9acc0bee1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u4eba\u53e3\u304c\u5206\u5272\u3055\u308c\u3066\u3044\u308b\u5c64\u306e\u6570\u3002<\/p>\n<p>\u524d\u306e\u4f8b\u306b\u5f93\u3063\u3066\u300150 \u4eba\u306e\u52b4\u50cd\u8005\u306e\u30b5\u30f3\u30d7\u30eb\u304c\u5fc5\u8981\u3067\u3001\u5408\u8a08 4 \u3064\u306e\u7570\u306a\u308b\u5c64\u304c\u3042\u3063\u305f\u305f\u3081\u3001\u5404\u5c64\u306e\u30b5\u30f3\u30d7\u30eb \u30b5\u30a4\u30ba\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-893f996638a163e7f139be9900c5fc4a_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_i=\\cfrac{50}{4}=12,5\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"117\" style=\"vertical-align: -12px;\"><\/p>\n<\/p>\n<p>\u7d50\u679c\u306f 10 \u9032\u6570\u3067\u3042\u308a\u300150 \u30ef\u30fc\u30ab\u30fc\u306b\u9054\u3059\u308b\u307e\u3067\u3001\u4e00\u90e8\u306e\u968e\u5c64\u306b\u306f 12 \u4eba\u306e\u30ef\u30fc\u30ab\u30fc\u304c\u5b58\u5728\u3057\u3001\u4ed6\u306e\u968e\u5c64\u306b\u306f 13 \u4eba\u306e\u30ef\u30fc\u30ab\u30fc\u304c\u5b58\u5728\u3057\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u5747\u4e00\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002 <\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/echantillonnage-uniforme-stratifie.png\" alt=\"\u5747\u4e00\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\" class=\"wp-image-917\" width=\"391\" height=\"149\" srcset=\"\" sizes=\"auto, \"><\/figure>\n<\/div>\n<p>\u3054\u89a7\u306e\u3068\u304a\u308a\u3001\u5404\u5c64\u306e\u30b5\u30f3\u30d7\u30eb \u30b5\u30a4\u30ba\u306f\u305d\u308c\u305e\u308c\u306e\u5272\u5408\u3068\u306f\u7121\u95a2\u4fc2\u3067\u3059\u3002 <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"muestreo-estratificado-optimo\"><\/span>\u6700\u9069\u306a\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>\u6700\u9069\u306a\u5c64\u5225\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0<\/strong>\u3067\u306f\u3001\u5404\u5c64\u306e\u8981\u7d20\u306e\u6570\u306f\u5404\u5c64\u306e\u5909\u52d5\u306b\u6bd4\u4f8b\u3057\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5909\u52d5\u304c\u5927\u304d\u3044\u5c64\u306e\u30b5\u30f3\u30d7\u30eb \u30b5\u30a4\u30ba\u306f\u5927\u304d\u304f\u306a\u308a\u3001\u9006\u3082\u540c\u69d8\u3067\u3001\u5909\u52d5\u304c\u5c0f\u3055\u3044\u5c64\u306e\u30b5\u30f3\u30d7\u30eb \u30b5\u30a4\u30ba\u306f\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u5404\u5c64\u306e\u8981\u7d20\u306e\u6570\u304c\u7d71\u8a08\u8abf\u67fb\u30b5\u30f3\u30d7\u30eb\u306e\u4e00\u90e8\u3068\u306a\u308b\u304b\u3092\u6c7a\u5b9a\u3059\u308b\u5f0f\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-c6f416ca4140ef0cfd73f338f56ad874_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_i=n\\cdot \\cfrac{\\sigma_i\\cdot N_i}{\\displaystyle \\sum_{j=1}^k \\sigma_j\\cdot N_j }\" title=\"Rendered by QuickLaTeX.com\" height=\"81\" width=\"145\" style=\"vertical-align: -55px;\"><\/p>\n<\/p>\n<p>\u91d1<\/p>\n<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-ec4217f4fa5fcd92a9edceba0e708cf7_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u306f\u5fc5\u8981\u306a\u30b5\u30f3\u30d7\u30eb\u306e\u5408\u8a08\u30b5\u30a4\u30ba\u3067\u3059\u3002<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-5f087375b50e0b49186779714206626b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"n_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"16\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u5c64\u5185\u306e\u8981\u7d20\u306e\u6570\u3067\u3059<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-31318c5dcb226c69e0818e5f7d2422b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"i\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u30b5\u30f3\u30d7\u30eb\u306b\u542b\u307e\u308c\u308b\u3001<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-dc8c8f782c0ed8b7925012b60e174fa3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\sigma_i\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"15\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u5c64\u306e\u6a19\u6e96\u504f\u5dee (\u307e\u305f\u306f\u5178\u578b\u504f\u5dee) \u3067\u3059\u3002<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-31318c5dcb226c69e0818e5f7d2422b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"i\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p> \u3001 \u305d\u3057\u3066<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-92ba15d795a7b4f9df3bf105473b4b6b_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"N_i\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"19\" style=\"vertical-align: -3px;\"><\/p>\n<p>\u5730\u5c64\u306e\u30b5\u30a4\u30ba\u3067\u3059<\/p>\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/statorials.org\/wp-content\/ql-cache\/quicklatex.com-31318c5dcb226c69e0818e5f7d2422b5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"i\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p>\u3002 <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ventajas-y-desventajas-del-muestreo-estratificado\"><\/span>\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u9577\u6240\u3068\u77ed\u6240<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u5229\u70b9\u3068\u6b20\u70b9\u304c\u3042\u308a\u307e\u3059\u3002 <\/p>\n<figure class=\"wp-block-table is-style-stripes\">\n<table class=\"has-fixed-layout\">\n<thead>\n<tr>\n<th class=\"has-text-align-left\" data-align=\"left\">\u30a2\u30c9\u30d0\u30f3\u30c6\u30fc\u30b8<\/th>\n<th>\u77ed\u6240<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"has-text-align-left\" data-align=\"left\">\u3053\u308c\u306b\u3088\u308a\u3001\u4eba\u53e3\u5168\u4f53\u3060\u3051\u3067\u306a\u304f\u3001\u7279\u5b9a\u306e\u5404\u5c64\u306b\u3064\u3044\u3066\u3082\u7d71\u8a08\u7684\u306b\u7814\u7a76\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/td>\n<td>\u3053\u308c\u306f\u5b9f\u88c5\u304c\u8907\u96d1\u306a\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u65b9\u6cd5\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-left\" data-align=\"left\">\u5c64\u5316\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306b\u3088\u3063\u3066\u751f\u3058\u308b\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u8aa4\u5dee\u306f\u3001\u5e38\u306b\u5358\u7d14\u306a\u30e9\u30f3\u30c0\u30e0\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u8aa4\u5dee\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/td>\n<td>\u3053\u308c\u306f\u6642\u9593\u304c\u304b\u304b\u308a\u3001\u3057\u305f\u304c\u3063\u3066\u9ad8\u4fa1\u306a\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td class=\"has-text-align-left\" 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