{"id":18371,"date":"2025-08-25T19:25:55","date_gmt":"2025-08-25T10:25:55","guid":{"rendered":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/?p=18371"},"modified":"2025-08-25T19:25:55","modified_gmt":"2025-08-25T10:25:55","slug":"stdev-p%e9%96%a2%e6%95%b0%e3%81%ae%e4%bd%bf%e3%81%84%e6%96%b9%ef%bc%9a%e3%82%a8%e3%82%af%e3%82%bb%e3%83%ab%e3%81%a7%e6%af%8d%e9%9b%86%e5%9b%a3%e3%81%ae%e6%a8%99%e6%ba%96%e5%81%8f%e5%b7%ae%e3%82%92","status":"publish","type":"post","link":"https:\/\/biz.moneyforward.com\/work-efficiency\/basic\/18371\/","title":{"rendered":"STDEV.P\u95a2\u6570\u306e\u4f7f\u3044\u65b9\uff1a\u30a8\u30af\u30bb\u30eb\u3067\u6bcd\u96c6\u56e3\u306e\u6a19\u6e96\u504f\u5dee\u3092\u8a08\u7b97\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>STDEV.P\u95a2\u6570\u306f\u3001\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u5168\u4f53\uff08\u6bcd\u96c6\u56e3\uff09\u306e\u6a19\u6e96\u504f\u5dee\u3092\u8a08\u7b97\u3059\u308b\u30a8\u30af\u30bb\u30eb\u306e\u7d71\u8a08\u95a2\u6570\u3067\u3059\u3002\u54c1\u8cea\u7ba1\u7406\u3067\u306e\u88fd\u54c1\u306e\u3070\u3089\u3064\u304d\u6e2c\u5b9a\u3001\u5168\u793e\u54e1\u306e\u7d66\u4e0e\u5206\u6563\u306e\u5206\u6790\u3001\u751f\u7523\u5de5\u7a0b\u306e\u5b89\u5b9a\u6027\u8a55\u4fa1\u3001\u5b66\u6821\u5168\u4f53\u306e\u6210\u7e3e\u5206\u5e03\u306e\u628a\u63e1\u306a\u3069\u3001\u30c7\u30fc\u30bf\u5168\u4f53\u306e\u3070\u3089\u3064\u304d\u5177\u5408\u3092\u6570\u5024\u5316\u3059\u308b\u69d8\u3005\u306a\u5834\u9762\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001STDEV.P\u95a2\u6570\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u304b\u3089\u5b9f\u52d9\u3067\u306e\u5fdc\u7528\u4f8b\u3001STDEV.S\u95a2\u6570\u3068\u306e\u4f7f\u3044\u5206\u3051\u3001\u54c1\u8cea\u7ba1\u7406\u3067\u306e\u6d3b\u7528\u65b9\u6cd5\u3001\u305d\u3057\u3066\u3088\u304f\u3042\u308b\u8a08\u7b97\u30df\u30b9\u3068\u305d\u306e\u56de\u907f\u65b9\u6cd5\u307e\u3067\u3001\u308f\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<div 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summary-box__list\">\n<li>\u5206\u6bcd\uff1an\uff08\u30c7\u30fc\u30bf\u6570\uff09<\/li>\n<li>\u5168\u6570\u8abf\u67fb\u306e\u30c7\u30fc\u30bf\u306b\u4f7f\u7528<\/li>\n<\/ul>\n<\/div>\n<div class=\"summary-box\">\n<div class=\"summary-box__title\"><span class=\"summary-box__title_tag\"><strong>STDEV.S\uff08\u30b5\u30f3\u30d7\u30eb\u6a19\u6e96\u504f\u5dee\uff09<\/strong><\/span><\/div>\n<ul class=\"summary-box__list summary-box__list\">\n<li>\u5206\u6bcd\uff1an-1\uff08\u30c7\u30fc\u30bf\u6570-1\uff09<\/li>\n<li>\u62bd\u51fa\u8abf\u67fb\u306e\u30c7\u30fc\u30bf\u306b\u4f7f\u7528<\/li>\n<\/ul>\n<\/div>\n<p><strong>\u6bd4\u8f03\u4f8b\uff1a<\/strong><\/p>\n<p>\u540c\u3058\u30c7\u30fc\u30bf\uff1a1, 2, 3, 4, 5<\/p>\n<p>=STDEV.P(1, 2, 3, 4, 5)\u00a0 \/\/ \u7d50\u679c\uff1a1.41<\/p>\n<p>=STDEV.S(1, 2, 3, 4, 5)\u00a0 \/\/ 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TRUE)<\/p>\n<h3>\u7570\u5e38\u5024\u691c\u51fa\u3078\u306e\u5fdc\u7528<\/h3>\n<p><strong>\u6a19\u6e96\u504f\u5dee\u3092\u57fa\u6e96\u306b\u3057\u305f\u5916\u308c\u5024\u306e\u5224\u5b9a\uff1a<\/strong><\/p>\n<p>=IF(ABS(\u5024 &#8211; AVERAGE(\u7bc4\u56f2)) &gt; 2 * STDEV.P(\u7bc4\u56f2),<\/p>\n<p>&#8220;\u7570\u5e38\u5024&#8221;, &#8220;\u6b63\u5e38&#8221;)<\/p>\n<p><strong>\u6761\u4ef6\u4ed8\u304d\u66f8\u5f0f\u3067\u306e\u6d3b\u7528\uff1a<\/strong><\/p>\n<p>\u6761\u4ef6\uff1a=ABS(A1 &#8211; AVERAGE($A:$A)) &gt; 2 * STDEV.P($A:$A)<\/p>\n<p>\/\/ \u5e73\u5747\u304b\u30892\u03c3\u4ee5\u4e0a\u96e2\u308c\u305f\u5024\u3092\u5f37\u8abf\u8868\u793a<\/p>\n<h3>VAR.P\u95a2\u6570\u3068\u306e\u95a2\u4fc2<\/h3>\n<p><strong>\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee\u306e\u76f8\u4e92\u5909\u63db\uff1a<\/strong><\/p>\n<p>\u5206\u6563 = VAR.P(\u30c7\u30fc\u30bf)<\/p>\n<p>\u6a19\u6e96\u504f\u5dee = SQRT(VAR.P(\u30c7\u30fc\u30bf))\u00a0 \/\/ 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