{"id":1053,"date":"2026-03-24T21:38:38","date_gmt":"2026-03-24T12:38:38","guid":{"rendered":"https:\/\/l6s-improve.com\/?page_id=1053"},"modified":"2026-04-05T09:43:09","modified_gmt":"2026-04-05T00:43:09","slug":"qc%e6%a4%9c%e5%ae%9a2%e7%b4%9a%e6%89%8b%e6%b3%95%e7%b7%a8%e3%80%80%e7%b7%b4%e7%bf%92%e5%95%8f%e9%a1%8c%e2%91%a1%e8%a7%a3%e7%ad%94%e3%83%bb%e8%a7%a3%e8%aa%ac","status":"publish","type":"page","link":"https:\/\/l6s-improve.com\/?page_id=1053","title":{"rendered":"QC\u691c\u5b9a2\u7d1a\u00ae\u624b\u6cd5\u7de8\u3000\u7df4\u7fd2\u554f\u984c\u2461\u3000\u691c\u5b9a\u3068\u63a8\u5b9a\u3000\u89e3\u7b54\u30fb\u89e3\u8aac"},"content":{"rendered":"<h3><strong>\u4eee\u8aac\u691c\u5b9a &#8211; 2\u3064\u306e\u6bcd\u5e73\u5747\u306e\u5dee\u306b\u95a2\u3059\u308b\u691c\u5b9a\u3068\u63a8\u5b9a \u3000\u89e3\u7b54\u30fb\u89e3\u8aac<\/strong><\/h3>\n<h4>\u554f\u984c 1\uff08\u6bcd\u5206\u6563\u65e2\u77e5\uff09<\/h4>\n<p>2\u3064\u306e\u30d6\u30e9\u30f3\u30c9\u306e\u5bff\u547d\u306e<strong><em>\u6bcd\u5e73\u5747\u306b<\/em><em>\u5dee\u304c\u3042\u308b\u304b<\/em><\/strong>\u3001\u6709\u610f\u6c34\u6e965%\u3067\u691c\u5b9a\u3002<\/p>\n<p>(H\u2080: \u03bc\u2090=\u03bc\u1d66, H\u2081: \u03bc\u2090\u2260\u03bc\u1d66)\u3000\u4e21\u5074\u691c\u5b9a<\/p>\n<ul>\n<li>\u89e3\u7b54:\u00a0\u5dee\u304c\u3042\u308b\u3068\u8a00\u3048\u308b\u3002<\/li>\n<li>\u89e3\u8aac\n<ol>\n<li>\u6a19\u6e96\u6b63\u898f\u5206\u5e03\u3092\u7528\u3044\u307e\u3059\u3002\uff08\u6bcd\u5206\u6563\u65e2\u77e5\u306e\u305f\u3081\uff09<\/li>\n<li>\u691c\u5b9a\u7d71\u8a08\u91cf\uff08Z\uff09\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<br \/>\n\u691c\u5b9a\u7d71\u8a08\u91cf\u00a0 Z = (X\u0304\u2090 &#8211; X\u0304\u1d66) \/ \u221a(\u03c3\u00b2\u2090\/n\u2090 + \u03c3\u00b2\u1d66\/n\u1d66) = (1020 &#8211; 980) \/ \u221a(40\u00b2\/30 + 50\u00b2\/40)<br \/>\n= 40 \/ \u221a(1600\/30 + 2500\/40) = 40 \/ \u221a(53.33 + 62.5) = 40 \/ \u221a115.83 \u2248 40 \/ 10.76 \u2248 3.72<\/li>\n<li>\u4e21\u5074\u691c\u5b9a\u3001\u6709\u610f\u6c34\u6e965%\u306a\u306e\u3067\u3001\u68c4\u5374\u57df\u306f |Z| &gt; 1.96\uff08\u6a19\u6e96\u6b63\u898f\u5206\u5e03\u8868\u306e\u78ba\u73872.5\uff05&lt;0.025&gt;\u306b\u3042\u305f\u308bKp\u304c1.96\uff09<\/li>\n<li>\u8a08\u7b97\u3057\u305fZ\u5024\u00a03.72\u00a0\u306f\u00a01.96\u00a0\u3088\u308a\u5927\u304d\u3044\u306e\u3067\u3001\u5e30\u7121\u4eee\u8aac H\u2080 \u306f\u68c4\u5374\u3055\u308c\u307e\u3059\u3002<\/li>\n<li>\u3057\u305f\u304c\u3063\u3066\u30012\u3064\u306e\u30d6\u30e9\u30f3\u30c9\u306e\u5bff\u547d\u306e\u6bcd\u5e73\u5747\u306b\u5dee\u304c\u3042\u308b\u3068\u8a00\u3048\u307e\u3059\u3002<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<table>\n<tbody>\n<tr>\n<td>\u6a19\u6e96\u6b63\u898f\u5206\u5e03\u8868\uff08\u4e0a\u5074\u78ba\u7387\uff09<br \/>\n<a href=\"https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/z-table.png\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignleft wp-image-981\" src=\"https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/z-table.png\" alt=\"\u4eee\u8aac\u691c\u5b9a\" width=\"809\" height=\"1064\" srcset=\"https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/z-table.png 1178w, https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/z-table-228x300.png 228w, https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/z-table-778x1024.png 778w, https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/z-table-768x1011.png 768w, https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/z-table-1167x1536.png 1167w, https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/z-table-660x868.png 660w\" sizes=\"(max-width: 809px) 100vw, 809px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h4>\u554f\u984c 2\uff08\u6bcd\u5206\u6563\u672a\u77e5\/\u7b49\u5206\u6563\uff09<\/h4>\n<p><strong><em>\u6307\u5c0e\u6cd5A\u306e\u307b\u3046\u304c\u6210\u7e3e\u304c\u9ad8\u3044\u304b<\/em><\/strong>\u3001\u6709\u610f\u6c34\u6e965%\u3067\u7247\u5074\u691c\u5b9a\u3002 (H\u2080: \u03bc\u2090=\u03bc\u1d66, H\u2081: \u03bc\u2090&gt;\u03bc\u1d66)<\/p>\n<ul>\n<li>\u89e3\u7b54:\u00a0\u6210\u7e3e\u304c\u9ad8\u3044\u3068\u8a00\u3048\u308b\u3002<\/li>\n<li>\u89e3\u8aac\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>\u6307\u5c0e\u6cd5A (n<sub>A<\/sub> = 6, X\u0304<sub>A<\/sub> = 85)\u3000\u504f\u5dee\u5e73\u65b9\u548cS<sub>A<\/sub> = (92-85)<sup>2<\/sup> + (88-85)<sup>2<\/sup> + (85-85)<sup>2<\/sup> + (84-85)<sup>2<\/sup> + (81-85)<sup>2<\/sup> + (80-85)<sup>2<\/sup> = 49 + 9 + 0 + 1 + 16 + 25 = 100<\/li>\n<li>\u6307\u5c0e\u6cd5B (n<sub>B<\/sub> = 7, X\u0304<sub>B<\/sub> = 78)\u3000\u504f\u5dee\u5e73\u65b9\u548cS<sub>B<\/sub> = (95-78)<sup>2<\/sup> + (84-78)<sup>2<\/sup> + (80-78)<sup>2<\/sup> + (78-78)<sup>2<\/sup> + (75-78)<sup>2<\/sup> + (70-78)<sup>2<\/sup> + (64-78)<sup>2<\/sup> = 289 + 36 + 4 + 0 + 9 + 64 + 196 = 598<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/li>\n<li>\u81ea\u7531\u5ea6\u03a6\u3000n<sub>A<\/sub> +\u00a0n<sub>B<\/sub> &#8211; 2 =6 + 7 -2 = 11<\/li>\n<li>\u691c\u5b9a\u7d71\u8a08\u91cft<sub>0<\/sub> \u2267 t(11, 0.10) = 1.7o6<\/li>\n<li>\u30d7\u30fc\u30eb\u3057\u305f\u5206\u6563 V<\/li>\n<li>V = ( S<sub>A<\/sub> + S<sub>B<\/sub> )\/( n<sub>A<\/sub> + n<sub>B<\/sub> &#8211; 2 ) = (100 + 598) \/ (6 + 7 -2) \u2248 63.45<\/li>\n<li>t\u5024\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002<br \/>\nt = (X\u0304<sub>A<\/sub> &#8211; X\u0304<sub>B<\/sub>) \/ \u221aV * (1\/n<sub>A<\/sub> 1\/n<sub>B<\/sub>)) = (85 &#8211; 78) \/ \u221a(63.45 * (1\/6 + 1\/7))<br \/>\n= 7 \/ \u221a(63.45 * 0.3095) = 7 \/ 4.43 \u2248 1.58<\/li>\n<li>\u7247\u5074\u691c\u5b9a\u3001\u6709\u610f\u6c34\u6e965%\u3001\u81ea\u7531\u5ea620\u306et\u5024\u306f t(20, 0.05) = 1.725<\/li>\n<li>\u8a08\u7b97\u3057\u305ft\u5024 1.58 \u306f 1.725 \u3088\u308a\u5c0f\u3055\u3044\u306e\u3067\u3001\u5e30\u7121\u4eee\u8aac H\u2080 \u306f\u68c4\u5374\u3055\u308c\u307e\u305b\u3093\u3002<\/li>\n<li>\u3057\u305f\u304c\u3063\u3066\u3001\u6307\u5c0e\u6cd5A\u306e\u307b\u3046\u304c\u6210\u7e3e\u304c\u9ad8\u3044\u3068\u306f\u8a00\u3048\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<table>\n<tbody>\n<tr>\n<td>\uff54\u8868<br \/>\n<a href=\"https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/t-table.png\"><img decoding=\"async\" class=\"alignleft wp-image-1035\" src=\"https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/t-table.png\" alt=\"\u4eee\u8aac\u691c\u5b9a\" width=\"787\" height=\"732\" srcset=\"https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/t-table.png 1492w, https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/t-table-300x279.png 300w, https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/t-table-1024x953.png 1024w, https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/t-table-768x714.png 768w, https:\/\/l6s-improve.com\/wp-content\/uploads\/2026\/03\/t-table-660x614.png 660w\" sizes=\"(max-width: 787px) 100vw, 787px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u500b\u5225\u7814\u4fee\u30fb\u96c6\u5408\u7814\u4fee\u4f9d\u983c\u306f\u4e0b\u8a18\u3088\u308a\u304a\u9858\u3044\u3057\u307e\u3059\u3002<\/p>\n<style id=\"wpforms-css-vars-972\">\n\t\t\t\t#wpforms-972 {\n\t\t\t\t--wpforms-container-padding: 0px;\n--wpforms-container-border-width: 1px;\n--wpforms-container-border-radius: 3px;\n--wpforms-background-color: rgba(0, 0, 0, 0);\n--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 16px;\n--wpforms-label-size-line-height: 19px;\n--wpforms-label-size-sublabel-font-size: 14px;\n--wpforms-label-size-sublabel-line-height: 17px;\n--wpforms-button-size-font-size: 17px;\n--wpforms-button-size-height: 41px;\n--wpforms-button-size-padding-h: 15px;\n--wpforms-button-size-margin-top: 10px;\n--wpforms-container-shadow-size-box-shadow: none;\n\t\t\t}\n\t\t\t<\/style><div class=\"wpforms-container wpforms-container-full wpforms-render-modern\" id=\"wpforms-972\"><form id=\"wpforms-form-972\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"972\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/index.php?rest_route=%2Fwp%2Fv2%2Fpages%2F1053\" data-token=\"98ed8a9a5af6c98415226279cc1b0a62\" data-token-time=\"1778331287\"><noscript class=\"wpforms-error-noscript\">\u3053\u306e\u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u3059\u308b\u306b\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u3067 JavaScript \u3092\u6709\u52b9\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/noscript><div id=\"wpforms-error-noscript\" style=\"display: none;\">\u3053\u306e\u30d5\u30a9\u30fc\u30e0\u306b\u5165\u529b\u3059\u308b\u306b\u306f\u3001\u30d6\u30e9\u30a6\u30b6\u30fc\u3067 JavaScript \u3092\u6709\u52b9\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/div><div class=\"wpforms-field-container\">\t\t<div id=\"wpforms-972-field_4-container\"\n\t\t\tclass=\"wpforms-field wpforms-field-text\"\n\t\t\tdata-field-type=\"text\"\n\t\t\tdata-field-id=\"4\"\n\t\t\t>\n\t\t\t<label class=\"wpforms-field-label\" for=\"wpforms-972-field_4\" >\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9 \u540d\u524d \u30b3\u30e1\u30f3\u30c8\u307e\u305f\u306f\u30e1\u30c3\u30bb\u30fc\u30b8<\/label>\n\t\t\t<input type=\"text\" id=\"wpforms-972-field_4\" class=\"wpforms-field-medium\" name=\"wpforms[fields][4]\" >\n\t\t<\/div>\n\t\t<div id=\"wpforms-972-field_1-container\" class=\"wpforms-field wpforms-field-name\" data-field-id=\"1\"><fieldset><legend class=\"wpforms-field-label\">\u540d\u524d <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/legend><div class=\"wpforms-field-row wpforms-field-medium\"><div class=\"wpforms-field-row-block wpforms-first wpforms-one-half\"><input type=\"text\" id=\"wpforms-972-field_1\" class=\"wpforms-field-name-first wpforms-field-required\" name=\"wpforms[fields][1][first]\" aria-errormessage=\"wpforms-972-field_1-error\" required><label for=\"wpforms-972-field_1\" class=\"wpforms-field-sublabel after\">\u540d<\/label><\/div><div class=\"wpforms-field-row-block wpforms-one-half\"><input type=\"text\" id=\"wpforms-972-field_1-last\" class=\"wpforms-field-name-last wpforms-field-required\" name=\"wpforms[fields][1][last]\" aria-errormessage=\"wpforms-972-field_1-last-error\" required><label for=\"wpforms-972-field_1-last\" class=\"wpforms-field-sublabel after\">\u59d3<\/label><\/div><\/div><\/fieldset><\/div><div id=\"wpforms-972-field_2-container\" class=\"wpforms-field wpforms-field-email\" data-field-id=\"2\"><label class=\"wpforms-field-label\" for=\"wpforms-972-field_2\">\u30e1\u30fc\u30eb\u30a2\u30c9\u30ec\u30b9 <span class=\"wpforms-required-label\" aria-hidden=\"true\">*<\/span><\/label><input type=\"email\" id=\"wpforms-972-field_2\" class=\"wpforms-field-medium wpforms-field-required\" name=\"wpforms[fields][2]\" spellcheck=\"false\" aria-errormessage=\"wpforms-972-field_2-error\" required><\/div><div id=\"wpforms-972-field_3-container\" class=\"wpforms-field wpforms-field-textarea\" data-field-id=\"3\"><label class=\"wpforms-field-label\" for=\"wpforms-972-field_3\">\u30b3\u30e1\u30f3\u30c8\u307e\u305f\u306f\u30e1\u30c3\u30bb\u30fc\u30b8<\/label><textarea id=\"wpforms-972-field_3\" class=\"wpforms-field-medium\" name=\"wpforms[fields][3]\" aria-errormessage=\"wpforms-972-field_3-error\" ><\/textarea><\/div><script>\n\t\t\t\t( function() {\n\t\t\t\t\tconst style = document.createElement( 'style' );\n\t\t\t\t\tstyle.appendChild( document.createTextNode( '#wpforms-972-field_4-container { position: absolute !important; overflow: hidden !important; display: inline !important; height: 1px !important; width: 1px !important; z-index: -1000 !important; padding: 0 !important; } #wpforms-972-field_4-container input { visibility: hidden; } #wpforms-conversational-form-page #wpforms-972-field_4-container label { counter-increment: none; }' ) );\n\t\t\t\t\tdocument.head.appendChild( style );\n\t\t\t\t\tdocument.currentScript?.remove();\n\t\t\t\t} )();\n\t\t\t<\/script><\/div><!-- .wpforms-field-container --><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"972\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/l6s-improve.com\/index.php?rest_route=\/wp\/v2\/pages\/1053\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-972\" class=\"wpforms-submit\" data-alt-text=\"\u9001\u4fe1\u4e2d\u2026\" data-submit-text=\"\u9001\u4fe1\" aria-live=\"assertive\" value=\"wpforms-submit\">\u9001\u4fe1<\/button><img decoding=\"async\" src=\"https:\/\/l6s-improve.com\/wp-content\/plugins\/wpforms-lite\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"\u8aad\u307f\u8fbc\u307f\u4e2d\"><\/div><\/form><\/div>  <!-- .wpforms-container -->\n","protected":false},"excerpt":{"rendered":"<p>\u4eee\u8aac\u691c\u5b9a &#8211; 2\u3064\u306e\u6bcd\u5e73\u5747\u306e\u5dee\u306b\u95a2\u3059\u308b\u691c\u5b9a\u3068\u63a8\u5b9a \u3000\u89e3\u7b54\u30fb\u89e3\u8aac \u554f\u984c 1\uff08\u6bcd\u5206\u6563\u65e2\u77e5\uff09 2\u3064\u306e\u30d6\u30e9\u30f3\u30c9\u306e\u5bff\u547d\u306e\u6bcd\u5e73\u5747\u306b\u5dee\u304c\u3042\u308b\u304b\u3001\u6709\u610f\u6c34\u6e965%\u3067\u691c\u5b9a\u3002 (H\u2080: \u03bc\u2090=\u03bc\u1d66, H\u2081: \u03bc\u2090\u2260\u03bc\u1d66)\u3000\u4e21\u5074\u691c\u5b9a \u2026 <span class=\"read-more\"><a href=\"https:\/\/l6s-improve.com\/?page_id=1053\">\u7d9a\u304d\u3092\u8aad\u3080 &raquo;<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1051,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1053","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>QC\u691c\u5b9a2\u7d1a\u00ae\u624b\u6cd5\u7de8\u3000\u7df4\u7fd2\u554f\u984c\u2461\u3000\u691c\u5b9a\u3068\u63a8\u5b9a\u3000\u89e3\u7b54\u30fb\u89e3\u8aac | Improvement Concierge and Lean 6 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