{"id":3077,"date":"2025-12-24T17:22:44","date_gmt":"2025-12-24T08:22:44","guid":{"rendered":"https:\/\/math-travel.com\/?p=3077"},"modified":"2026-03-06T02:31:40","modified_gmt":"2026-03-05T17:31:40","slug":"variance","status":"publish","type":"post","link":"https:\/\/math-travel.jp\/math-1\/variance\/","title":{"rendered":"\u5206\u6563\u306e\u516c\u5f0f\u3068\u6c42\u3081\u65b9\uff1a2\u3064\u306e\u8a08\u7b97\u5f0f\u306e\u4f7f\u3044\u5206\u3051\u3068\u6a19\u6e96\u504f\u5dee\u3068\u306e\u95a2\u4fc2\u3092\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"\n<div class=\"wp-block-group has-border -border02 is-style-bg_grid\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div id=\"kv\">\n        <p>\u5165\u529b\u3057\u305f\u5024\u306e\u5206\u6563\u3092\u7b97\u51fa\u3057\u307e\u3059\u3002<br>\n          \u5024\u3092\u30ab\u30f3\u30de\uff08,\uff09\u3067\u533a\u5207\u3063\u3066\u5165\u529b\u5f8c\u306b\u7b97\u51fa\u30dc\u30bf\u30f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n      <\/div>\n      <div class=\"input-form\">\n        <textarea class=\"input-num\" placeholder=\", \u3067\u533a\u5207\u3063\u3066\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\" oninput=\"textCheck(this)\"><\/textarea>\n      <\/div>\n      <div class=\"output\">\n        <p>\u5206\u6563\u306f\u300c\u5e73\u5747\u304b\u3089\u306e\u5dee\u300d\u306e\u4e8c\u4e57\u5e73\u5747\u3092\u6307\u3059\u306e\u3067\u3001<span class=\"sp\"><br><\/span>\u30c7\u30fc\u30bf\u6570:n\u3001\u5404\u30c7\u30fc\u30bf\u5024:x<span class=\"mini-font\">i<\/span>\u3001\u5e73\u5747:\u03bc\u3068\u3057\u305f\u3068\u304d\u3001<br>\n        \u516c\u5f0f\uff1as<sup>2<\/sup>=<span class=\"fraction\"><span class=\"numerator\">1<\/span><span class=\"denominator\">n<\/span><\/span>\u03a3(x<span class=\"mini-font\">i<\/span> &#8211; \u03bc)<sup>2<\/sup>\u3088\u308a<\/p>\n        <p>\u5165\u529b\u30c7\u30fc\u30bf\u6570(n)\uff1a<span id=\"number-data\"><\/span><\/p>\n        <p>\u5206\u6563(s<sup>2<\/sup>)\uff1a<span id=\"dispersion\" class=\"bold\"><\/span><\/p>\n      <\/div>\n      <div class=\"btn\">\n        <input type=\"button\" value=\"\u7b97\u51fa\" id=\"cal-btn\">\n        <input type=\"button\" value=\"\u30ea\u30bb\u30c3\u30c8\" id=\"reset-btn\">\n      <\/div>\n<\/div><\/div>\n\n\n\n<p>\u4eca\u56de\u306f\u30c7\u30fc\u30bf\u306e\u5206\u6563\u306b\u95a2\u3059\u308b\u60a9\u307f\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-big_kakko_box\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p><span class=\"huto\">\u300c\u5206\u6563\u3063\u3066\u306a\u3093\u3060\u3063\u3051\uff1f\u300d<\/span><br><span class=\"huto\">\u300c\u5206\u6563\u306e\u6c42\u3081\u65b9\u304c\u5206\u304b\u3089\u306a\u3044\u300d<\/span><\/p>\n<\/div><\/div>\n\n\n\n<p>\u5206\u6563\u306b\u82e6\u624b\u610f\u8b58\u3092\u6301\u3064\u5b66\u751f\u306f\u304b\u306a\u308a\u591a\u3044\u3067\u3059\u3088\u306d\u3002<\/p>\n\n\n\n<p>\u5206\u6563\u306f<span class=\"hutoaka\">\u30c7\u30fc\u30bf\u306e\u6563\u3089\u3070\u308a\u3092\u8868\u3059\u6307\u6a19<\/span>\u306e1\u3064\u3067\u3059\u3002\u5206\u6563\u306e\u5024\u304b\u3089\u30c7\u30fc\u30bf\u306e\u5206\u5e03\u304c\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5206\u6563\u306f<span class=\"huto\">\u504f\u5dee\uff08\u30c7\u30fc\u30bf\u3068\u5e73\u5747\u5024\u306e\u5dee\uff09\u3092\u4e8c\u4e57\u3057\u305f\u3082\u306e\u306e\u5e73\u5747<\/span>\u3067\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5909\u6570\\(x\\)\u306e\u5024\u304c\\(x_1,x_2,\u2026,x_n\\)\u3067\u3001\u5e73\u5747\u304c\\(\\bar{x}\\)\u306e\u3068\u304d\u5206\u6563\\(s^{2}\\)\u306f\u3001<\/p>\n\n\n\n<p>\\begin{eqnarray}<br>s^{2}&amp;=&amp;\\displaystyle \\frac{1}{n}{(x_{1}-\\bar{x})^{2}+(x_{2}-\\bar{x})^{2}+\u2026+(x_{n}-\\bar{x})^{2}}\\\\<br>&amp;=&amp;\\displaystyle \\frac{1}{n}\\sum_{i=1}^n (x_i-\\bar{x})^{2}<br>\\end{eqnarray}<\/p>\n\n\n\n<p>\u5206\u6563\u304c\u5927\u304d\u3044\u3068\u30c7\u30fc\u30bf\u306e\u5206\u5e03\u304c\u5e83\u304f\u3001\u5206\u6563\u304c\u5c0f\u3055\u3044\u3068\u540c\u3058\u3088\u3046\u306a\u30c7\u30fc\u30bf\u304c\u591a\u3044\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"767\" height=\"241\" src=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u610f\u5473.jpg\" alt=\"\" class=\"wp-image-3101\" srcset=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u610f\u5473.jpg 767w, https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u610f\u5473-300x94.jpg 300w\" sizes=\"(max-width: 767px) 100vw, 767px\" \/><\/figure>\n\n\n\n<p>\u30c7\u30fc\u30bf\u306e\u5206\u6563\u306f\u5b9a\u671f\u30c6\u30b9\u30c8\u3084\u5171\u901a\u30c6\u30b9\u30c8\u3067\u3088\u304f\u51fa\u984c\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001<span class=\"hutoaka\">\u5206\u6563\u306e\u516c\u5f0f\u3068\u5206\u6563\u306e\u6c42\u3081\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac<\/span>\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"bunsan\">\u5206\u6563\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u5206\u6563\u3068\u306f<span class=\"hutoaka\">\u30c7\u30fc\u30bf\u306e\u6563\u3089\u3070\u308a\u306e\u5ea6\u5408\u3044\u3092\u8868\u3059\u6307\u6a19<\/span>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5206\u6563\u306e\u5927\u5c0f\u306b\u3088\u3063\u3066\u30c7\u30fc\u30bf\u5168\u4f53\u306e\u5206\u5e03\u3092\u30a4\u30e1\u30fc\u30b8\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"767\" height=\"241\" src=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u610f\u5473.jpg\" alt=\"\u5206\u6563\u306e\u610f\u5473\" class=\"wp-image-3101\" srcset=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u610f\u5473.jpg 767w, https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u610f\u5473-300x94.jpg 300w\" sizes=\"(max-width: 767px) 100vw, 767px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>\u5206\u6563\u306e\u5927\u5c0f<\/span><\/div><div class=\"cap_box_content\">\n<p>\u5206\u6563\u304c\u5927\u304d\u3044\u21d2\u5e73\u5747\u5024\u304b\u3089\u96e2\u308c\u3066\u3044\u308b\u5024\u304c\u591a\u3044<br>\u5206\u6563\u304c\u5c0f\u3055\u3044\u21d2\u5e73\u5747\u5024\u306b\u8fd1\u3044\u5024\u304c\u591a\u3044<\/p>\n<\/div><\/div>\n\n\n\n<p><span class=\"huto\">\u5206\u6563\u304c\u5927\u304d\u3044\u3068\u3044\u3046\u306e\u306f\u3001<span class=\"hutoaka\">\u6563\u3089\u3070\u308a\u306e\u5ea6\u5408\u3044\u304c\u5927\u304d\u3044\u3053\u3068<\/span>\u3092\u8868\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<p><span class=\"huto\">\u5206\u6563\u304c\u5206\u304b\u308b\u3068\u30c7\u30fc\u30bf\u5168\u4f53\u306e\u5206\u5e03\u304c\u30a4\u30e1\u30fc\u30b8\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/span>\u305d\u306e\u305f\u3081\u5206\u6563\u306f\u3044\u308d\u3044\u308d\u306a\u7814\u7a76\u3067\u7528\u3044\u3089\u308c\u308b\u6307\u6a19\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"koushiki\">\u5206\u6563\u306e\u516c\u5f0f<\/h2>\n\n\n\n<p>\u5206\u6563\u3092\u6c42\u3081\u308b\u516c\u5f0f\u306f2\u3064\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u6563\u306e\u516c\u5f0f\u2460<\/h3>\n\n\n\n<p>\u504f\u5dee\uff08\u30c7\u30fc\u30bf\u3068\u5e73\u5747\u5024\u306e\u5dee\uff09\u3092\u4e8c\u4e57\u3057\u305f\u5e73\u5747\u304c\u5206\u6563\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-bg_stripe\">\u5909\u6570\\(x\\)\u306e\u5024\u304c\\(x_1,x_2,&#8230;,x_n\\)\u3067\u3001\u5e73\u5747\u304c\\(\\bar{x}\\)\u306e\u3068\u304d<br>\u5206\u6563\\(s^{2}\\)\u306f\u3001<br>\\(\\displaystyle \\frac{1}{n}\\{(x_{1}-\\bar{x})^{2}+(x_{2}-\\bar{x})^{2}+&#8230;+(x_{n}-\\bar{x})^{2}\\}\\)<br>\\(=\\displaystyle \\frac{1}{n}\\sum_{i=1}^n (x_i-\\bar{x})^{2}\\)<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u6563\u306e\u516c\u5f0f\u2461<\/h3>\n\n\n\n<p>\u5206\u6563\u306f<span class=\"huto\">\u300c2\u4e57\u306e\u5e73\u5747\u300d\u3068\u300c\u5e73\u5747\u306e2\u4e57\u300d\u306e\u5dee<\/span>\u3067\u3082\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5909\u6570\\(x\\)\u306e\u5024\u3092\\(x_1,x_2,&#8230;,x_n\\)\u3001\u5e73\u5747\u3092\\(\\bar{x}\\)\u3068\u3059\u308b\u3068\u304d<br>\u5206\u6563\\(s^{2}\\)\u306f\u3001<br>\\(\\displaystyle s^{2}=\\frac{1}{n}\\sum_{i=1}^n x_i^{2} -\\bar{x}^{2}\\)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"motomekata\">\u5206\u6563\u306e\u6c42\u3081\u65b9<\/h2>\n\n\n\n<p>\u5206\u6563\u306e\u516c\u5f0f\u30922\u3064\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>\u5206\u6563\u306e\u516c\u5f0f\u2460<\/span><\/div><div class=\"cap_box_content\">\n<p>\u5909\u6570\\(x\\)\u306e\u5024\u304c\\(x_1,x_2,&#8230;,x_n\\)\u3067\u3001\u5e73\u5747\u304c\\(\\bar{x}\\)\u306e\u3068\u304d<br>\u5206\u6563\\(s^{2}\\)\u306f\u3001<br>\\(\\displaystyle \\frac{1}{n}\\{(x_{1}-\\bar{x})^{2}+(x_{2}-\\bar{x})^{2}+&#8230;+(x_{n}-\\bar{x})^{2}\\}\\)<br>\\(=\\displaystyle \\frac{1}{n}\\sum_{i=1}^n (x_i-\\bar{x})^{2}\\)<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>\u5206\u6563\u306e\u516c\u5f0f\u2461<\/span><\/div><div class=\"cap_box_content\">\n<p>\u5909\u6570\\(x\\)\u306e\u5024\u3092\\(x_1,x_2,&#8230;,x_n\\)\u3001\u5e73\u5747\u3092\\(\\bar{x}\\)\u3068\u3059\u308b\u3068\u304d<br>\u5206\u6563\\(s^{2}\\)\u306f\u3001<br>\\(\\displaystyle s^{2}=\\frac{1}{n}\\sum_{i=1}^n x_i^{2} -\\bar{x}^{2}\\)<\/p>\n<\/div><\/div>\n\n\n\n<p><span class=\"huto\">\u305d\u308c\u305e\u308c\u306e\u516c\u5f0f\u3092\u7528\u3044\u3066\u5206\u6563\u3092\u6c42\u3081\u308b\u624b\u9806\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u516c\u5f0f\u2460\u3067\u6c42\u3081\u308b<\/h3>\n\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>\u5206\u6563\u306e\u516c\u5f0f\u2460<\/span><\/div><div class=\"cap_box_content\">\n<p>\u5909\u6570\\(x\\)\u306e\u5024\u304c\\(x_1,x_2,&#8230;,x_n\\)\u3067\u3001\u5e73\u5747\u304c\\(\\bar{x}\\)\u306e\u3068\u304d<br>\u5206\u6563\\(s^{2}\\)\u306f\u3001<br>\\(\\displaystyle \\frac{1}{n}\\{(x_{1}-\\bar{x})^{2}+(x_{2}-\\bar{x})^{2}+&#8230;+(x_{n}-\\bar{x})^{2}\\}\\)<br>\\(=\\displaystyle \\frac{1}{n}\\sum_{i=1}^n (x_i-\\bar{x})^{2}\\)<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-style-bg_stripe\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<ol class=\"wp-block-list\">\n<li>\u5e73\u5747\u5024\u3092\u6c42\u3081\u308b<\/li>\n\n\n\n<li>\u504f\u5dee\uff08\u30c7\u30fc\u30bf\u3068\u5e73\u5747\u306e\u5dee\uff09\u3092\u6c42\u3081\u308b<\/li>\n\n\n\n<li>\u504f\u5dee\u306e\u4e8c\u4e57\u5e73\u5747\u3092\u6c42\u3081\u308b<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<p>A\u30af\u30e9\u30b9\u306e\u30c6\u30b9\u30c8\u7d50\u679c\u306e\u5206\u6563\u3092\u6c42\u3081\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>A\u30af\u30e9\u30b9\u306e\u30c6\u30b9\u30c8\u7d50\u679c<\/span><\/div><div class=\"cap_box_content\">\n<p>30\u300040\u300050\u300080\u3000100\u3000\uff08\u70b9\uff09<\/p>\n<\/div><\/div>\n\n\n\n<p><span class=\"oomozi\">1.\u5e73\u5747\u5024\u3092\u6c42\u3081\u308b<\/span><\/p>\n\n\n\n<p>\u307e\u305a\u306f\u5e73\u5747\u70b9\\(\\bar{x}\\)\u3092\u6c42\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>\\(\\displaystyle \\bar{x}=\\frac{1}{6}(30+40+50+80+100)\\)<\/p>\n\n\n\n<p>\\(=60\\)<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"463\" height=\"240\" src=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2460.jpg\" alt=\"\u5206\u6563\u306e\u6c42\u3081\u65b9\u2460\" class=\"wp-image-3102\" srcset=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2460.jpg 463w, https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2460-300x156.jpg 300w\" sizes=\"(max-width: 463px) 100vw, 463px\" \/><\/figure>\n<\/div>\n\n\n<p><span class=\"oomozi\">2.\u504f\u5dee\u3092\u6c42\u3081\u308b<\/span><\/p>\n\n\n\n<p><span class=\"huto\">\u504f\u5dee<\/span>\u3068\u306f\u3001<span class=\"yellow-hoso\">\u30c7\u30fc\u30bf\u306e\u5024\u3068\u5e73\u5747\u306e\u5dee<\/span>\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"462\" height=\"240\" src=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2461.jpg\" alt=\"\u5206\u6563\u306e\u6c42\u3081\u65b9\u2460\" class=\"wp-image-3103\" srcset=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2461.jpg 462w, https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2461-300x156.jpg 300w\" sizes=\"(max-width: 462px) 100vw, 462px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>\u504f\u5dee\u3092\u6c42\u3081\u308b<\/span><\/div><div class=\"cap_box_content\">\n<p>\u30c7\u30fc\u30bf\u5024-\u5e73\u5747\u5024=\u504f\u5dee<br>(30-60=-30)<br>(40-60=-20)<br>(50-60=-10)<br>(80-60=20)<br>(100-60=40)<\/p>\n<\/div><\/div>\n\n\n\n<p><span class=\"oomozi\">3.\u504f\u5dee\u306e\u4e8c\u4e57\u5e73\u5747\u3092\u6c42\u3081\u308b<\/span><\/p>\n\n\n\n<p>\u6700\u5f8c\u306b\u504f\u5dee\u306e\u4e8c\u4e57\u5e73\u5747\u3092\u6c42\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>\\(\\displaystyle \\frac{1}{5}\\{(-30)^{2}+(-20)^{2}+(-10)^{2}+20^{2}+40^{2}\\}\\)<\/p>\n\n\n\n<p>\\(=680\\)<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"462\" height=\"241\" src=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2462.jpg\" alt=\"\u5206\u6563\u306e\u6c42\u3081\u65b9\u2460\" class=\"wp-image-3104\" srcset=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2462.jpg 462w, https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2462-300x156.jpg 300w\" sizes=\"(max-width: 462px) 100vw, 462px\" \/><\/figure>\n<\/div>\n\n\n<p><span class=\"huto\">\u3057\u305f\u304c\u3063\u3066\u3001\u5206\u6563\u306f680\u3067\u3059\u3002<\/span><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"544\" height=\"331\" src=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2463.jpg\" alt=\"\u5206\u6563\u306e\u6c42\u3081\u65b9\u2460\" class=\"wp-image-3105\" srcset=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2463.jpg 544w, https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u6c42\u3081\u65b9\u2463-300x183.jpg 300w\" sizes=\"(max-width: 544px) 100vw, 544px\" \/><\/figure>\n<\/div>\n\n\n<h3 class=\"wp-block-heading\">\u516c\u5f0f\u2461\u3067\u6c42\u3081\u308b<\/h3>\n\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>\u5206\u6563\u306e\u516c\u5f0f\u2461<\/span><\/div><div class=\"cap_box_content\">\n<p>\u5909\u6570\\(x\\)\u306e\u5024\u3092\\(x_1,x_2,&#8230;,x_n\\)\u3001\u5e73\u5747\u3092\\(\\bar{x}\\)\u3068\u3059\u308b\u3068\u304d<br>\u5206\u6563\\(s^{2}\\)\u306f\u3001<br>\\(\\displaystyle s^{2}=\\frac{1}{n}\\sum_{i=1}^n x_i^{2} -\\bar{x}^{2}\\)<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group is-style-bg_stripe\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<ol class=\"wp-block-list\">\n<li>\u30c7\u30fc\u30bf\u306e2\u4e57\u5e73\u5747\u3092\u6c42\u3081\u308b<\/li>\n\n\n\n<li>\u5e73\u5747\u5024\u306e2\u4e57\u3092\u6c42\u3081\u308b<\/li>\n\n\n\n<li>\u5206\u6563\u3092\u6c42\u3081\u308b<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<p>\u5148\u7a0b\u306e\u5206\u6563\u3092\u3053\u3061\u3089\u306e\u65b9\u6cd5\u3067\u3082\u8a08\u7b97\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>A\u30af\u30e9\u30b9\u306e\u30c6\u30b9\u30c8\u7d50\u679c<\/span><\/div><div class=\"cap_box_content\">\n<p>30\u300040\u300050\u300080\u3000100\u3000\uff08\u70b9\uff09<\/p>\n<\/div><\/div>\n\n\n\n<p><span class=\"oomozi\">1.\u30c7\u30fc\u30bf\u306e2\u4e57\u5e73\u5747\u3092\u6c42\u3081\u308b<\/span><\/p>\n\n\n\n<p>\u307e\u305a\u306f\u30c7\u30fc\u30bf\u306e2\u4e57\u306e\u5e73\u5747\u3092\u6c42\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c6\u30b9\u30c8\u306e\u70b9\u6570\u306f30,40,50,80,100\u306a\u306e\u3067\u3001<\/p>\n\n\n\n<p>\\(\\displaystyle \\frac{30^{2}+40^{2}+50^{2}+80^{2}+100^{2}}{5}\\)<\/p>\n\n\n\n<p>\\(=\\displaystyle \\frac{900+1600+2500+6400+10000}{5}\\)<\/p>\n\n\n\n<p>\\(=\\displaystyle \\frac{21400}{5}\\)<\/p>\n\n\n\n<p>\\(=4280\\)<\/p>\n\n\n\n<p>\u3053\u308c\u30672\u4e57\u306e\u5e73\u5747\u306f4280\u3060\u3068\u5206\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p><span class=\"oomozi\">2.\u5e73\u5747\u5024\u306e2\u4e57\u3092\u6c42\u3081\u308b<\/span><\/p>\n\n\n\n<p>\u3064\u304e\u306b\u30c6\u30b9\u30c8\u306e\u5e73\u5747\u70b9\u306e2\u4e57\u3092\u6c42\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>A\u30af\u30e9\u30b9\u306e\u5e73\u5747\u70b9\u306f60\u70b9\u306a\u306e\u3067\u3001<\/p>\n\n\n\n<p>\\(60^{2}=3600\\)<\/p>\n\n\n\n<p><span class=\"oomozi\">3.\u5206\u6563\u3092\u6c42\u3081\u308b<\/span><\/p>\n\n\n\n<div class=\"wp-block-group is-style-bg_stripe\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5909\u6570\\(x\\)\u306e\u5024\u3092\\(x_1,x_2,&#8230;,x_n\\)\u3001\u5e73\u5747\u3092\\(\\bar{x}\\)\u3068\u3059\u308b\u3068\u304d<br>\u5206\u6563\\(s^{2}\\)\u306f\u3001<\/p>\n\n\n\n<p>\\(\\displaystyle s^{2}=\\frac{1}{n}\\sum_{i=1}^n x_i^{2} -\\bar{x}^{2}\\)<\/p>\n<\/div><\/div>\n\n\n\n<p>\u5206\u6563\\(s^{2}\\)={2\u4e57\u306e\u5e73\u5747}-{\u5e73\u5747\u306e2\u4e57}<\/p>\n\n\n\n<p>\\(=4280-3600\\)<\/p>\n\n\n\n<p>\\(=680\\)<\/p>\n\n\n\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u5206\u6563\u306f680\u3060\u3068\u5206\u304b\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u5206\u6563\u306e\u516c\u5f0f\u2460\u3067\u6c42\u3081\u305f\u5206\u6563\u3068\u540c\u3058\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u5206\u6563\u3092\u6c42\u3081\u308b\u3068\u304d\u306f\u3001\u4e0e\u3048\u3089\u308c\u3066\u3044\u308b\u60c5\u5831\u3092\u53c2\u8003\u306b\u3069\u3061\u3089\u306e\u516c\u5f0f\u3092\u4f7f\u3046\u304b\u5224\u65ad\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5206\u6563\u306e\u516c\u5f0f\u306e\u8a3c\u660e<\/h2>\n\n\n\n<p>\u5206\u6563\u306e\u516c\u5f0f\u306b\u3064\u3044\u3066\u8a3c\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u516c\u5f0f\u2460\u306f\u5206\u6563\u306e\u5b9a\u7fa9\u306a\u306e\u3067\u3001\u305d\u3046\u3044\u3046\u3082\u306e\u3060\u3068\u7406\u89e3\u3057\u3066\u304f\u3060\u3055\u3044<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u5206\u6563\u306e\u516c\u5f0f\u2461\u306b\u3064\u3044\u3066\u8a3c\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-group is-style-bg_stripe\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u5909\u6570\\(x\\)\u306e\u5024\u3092\\(x_1,x_2,&#8230;,x_n\\)\u3001\u5e73\u5747\u3092\\(\\bar{x}\\)\u3068\u3059\u308b\u3068\u304d<br>\u5206\u6563\\(s^{2}\\)\u306f\u3001<br>\\(\\displaystyle s^{2}=\\frac{1}{n}\\sum_{i=1}^n x_i^{2} -\\bar{x}^{2}\\)<\/p>\n<\/div><\/div>\n\n\n\n<p>\\(\\displaystyle s^{2}=\\frac{1}{n} \\sum_{i=1}^n (x_{i}-\\bar{x})^{2}\\)<\/p>\n\n\n\n<p>\\(\\displaystyle =\\frac{1}{n} \\sum_{i=1}^n (x_{i}^{2}-2x_{i} \\bar{x} +\\bar{x}^{2})\\)<\/p>\n\n\n\n<p>\\(\\displaystyle =\\frac{1}{n} \\sum_{i=1}^n (x_{i}^{2}-2x_{i} \\bar{x} +\\bar{x}^{2})\\)<\/p>\n\n\n\n<p>\\(\\displaystyle =\\frac{1}{n} \\sum_{i=1}^{n} x_{i}^{2}-2 \\bar{x} \\underbrace{\\frac{1}{n} \\sum_{i=1}^{n} x_{i}}_{=\\bar{x}}+\\frac{1}{n} \\cdot n \\bar{x}^{2}\\)<\/p>\n\n\n\n<p>\\(\\displaystyle =\\frac{1}{n} \\sum_{i=1}^{n} x_{i}^{2}-2 \\bar{x}^{2}+\\bar{x}^{2}\\)<\/p>\n\n\n\n<p>\\(\\displaystyle =\\frac{1}{n} \\sum_{i=1}^{n} x_{i}^{2}-\\bar{x}^{2}\\)<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"hyoujun\">\u5206\u6563\u3068\u6a19\u6e96\u504f\u5dee<\/h2>\n\n\n\n<p><span class=\"huto\">\u5206\u6563\u306e\u6b63\u306e\u5e73\u65b9\u6839<\/span>\u3092<span class=\"hutoaka\">\u6a19\u6e96\u504f\u5dee<\/span>\u3068\u3044\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"542\" height=\"122\" src=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u6a19\u6e96\u504f\u5dee.jpg\" alt=\"\u6a19\u6e96\u504f\u5dee\" class=\"wp-image-3127\" srcset=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u6a19\u6e96\u504f\u5dee.jpg 542w, https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u6a19\u6e96\u504f\u5dee-300x68.jpg 300w\" sizes=\"(max-width: 542px) 100vw, 542px\" \/><\/figure>\n<\/div>\n\n\n<p>\u6a19\u6e96\u504f\u5dee\u304c\u5206\u304b\u308b\u3068\u30c7\u30fc\u30bf\u304c\u5206\u5e03\u3059\u308b\u7bc4\u56f2\u304c\u5206\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u306a\u305c\u306a\u3089\u3070\u3001\u6a19\u6e96\u504f\u5dee\u306f<span class=\"huto\">\u307b\u3068\u3093\u3069\u306e\u30c7\u30fc\u30bf\u304c\u300c<span class=\"yellow-hoso\">\u5e73\u5747\u5024\u00b1\u6a19\u6e96\u504f\u5dee<\/span>\u300d\u306e\u7bc4\u56f2\u306b\u53ce\u307e\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u8868\u3059\u304b\u3089\u3067\u3059\u3002<\/span><\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>\u53c2\u8003<\/span><\/div><div class=\"cap_box_content\">\n<p>\u30c6\u30b9\u30c8\u306e\u7d50\u679c\u304c\u5e73\u5747\u70b960\u70b9\u3001\u6a19\u6e96\u504f\u5dee20\u70b9\u306e\u3068\u304d<\/p>\n\n\n\n<p>\u30c6\u30b9\u30c8\u7d50\u679c\u306e\u307b\u3068\u3093\u3069\u304c40\u70b9\u304b\u308980\u70b9\u306e\u3042\u3044\u3060\u306b\u53ce\u307e\u3063\u3066\u3044\u308b\u3053\u3068\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"kyoubunsan\">\u5171\u5206\u6563\u3068\u306e\u9055\u3044<\/h2>\n\n\n\n<p>\u5206\u6563\u3068\u4f3c\u305f\u8a00\u8449\u3067<span class=\"huto\">\u5171\u5206\u6563<\/span>\u3068\u3044\u3046\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<br>\\(\\displaystyle s_{x y}=\\frac{1}{n} \\sum_{i=1}^{n}\\left(x_{i}-\\bar{x}\\right)\\left(y_{i}-\\bar{y}\\right)\\)<\/p>\n\n\n\n<p><span class=\"huto\">\u5206\u6563\u304c\uff11\u3064\u306e\u30c7\u30fc\u30bf\u306e\u6563\u3089\u3070\u308a\u3092\u8868\u3059\u306e\u306b\u5bfe\u3057\u3066\u3001\u5171\u5206\u6563\u306f\u300c<span class=\"yellow-hoso\">2\u7d44\u306e\u5bfe\u5fdc\u3059\u308b\u30c7\u30fc\u30bf\u306e\u9593\u306b\u3042\u308b\u95a2\u4fc2<\/span>\u300d\u3092\u8868\u3057\u307e\u3059\u3002<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"mondai\">\u5206\u6563\u300a\u7df4\u7fd2\u554f\u984c\u300b<\/h2>\n\n\n\n<p>\u3053\u3053\u307e\u3067\u5206\u6563\u306e\u516c\u5f0f\u3084\u6c42\u3081\u65b9\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p><span class=\"huto\">\u6700\u5f8c\u306b\u5206\u6563\u3092\u4f7f\u3063\u305f\u7df4\u7fd2\u554f\u984c\u306b\u6311\u6226\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/span><\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>\u7df4\u7fd2\u554f\u984c<\/span><\/div><div class=\"cap_box_content\">\n<p>C\u30af\u30e9\u30b9\u306e\u56fd\u8a9e\u306e\u30c6\u30b9\u30c8\u7d50\u679c\u306e\u5206\u6563\u3092\u6c42\u3081\u3088\u3002<\/p>\n\n\n\n<p class=\"has-text-align-center\">\u30c6\u30b9\u30c8\u7d50\u679c\u300040,50,60,60,90<\/p>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u6563\u306e\u6c42\u3081\u65b9\u2460<\/h3>\n\n\n\n<div class=\"kizibox\">\n<p><span class=\"box-title\">\u5206\u6563\u306e\u6c42\u3081\u65b9\u2460<\/span><\/p>\n<ol style=\"margin-bottom: 0px;\">\n<li>\u5e73\u5747\u5024\u3092\u6c42\u3081\u308b<\/li>\n<li>\u504f\u5dee\uff08\u30c7\u30fc\u30bf\u3068\u5e73\u5747\u306e\u5dee\uff09\u3092\u6c42\u3081\u308b<\/li>\n<li>\u504f\u5dee\u306e\u4e8c\u4e57\u5e73\u5747\u3092\u6c42\u3081\u308b<\/li>\n<\/ol>\n<\/div>\n\n\n\n<p>\\(\\displaystyle \\frac{1}{5}(40+50+60+60+90)\\)<\/p>\n\n\n\n<p>\\(=60\\)<\/p>\n\n\n\n<p>C\u30af\u30e9\u30b9\u306e\u5e73\u5747\u70b9\u306f60\u70b9\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u308c\u305e\u308c\u306e\u504f\u5dee\u3092\u6c42\u3081\u307e\u3059\u3002<br>\\(40-60=-20\\)<br>\\(50-60=-10\\)<br>\\(60-60=0\\)<br>\\(60-60=0\\)<br>\\(90-60=30\\)<\/p>\n\n\n\n<p>\u6700\u5f8c\u306b\u504f\u5dee\u30922\u4e57\u3057\u3066\u5206\u6563\u3092\u6c42\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>\\(\\displaystyle \\frac{1}{5}\\{(-20)^{2}+(-10)^{2}+0+0+30^{2}\\}\\)<\/p>\n\n\n\n<p>\\(=280\\)<\/p>\n\n\n\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u6c42\u3081\u308b\u5206\u6563\u306f280\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u6563\u306e\u6c42\u3081\u65b9\u2461<\/h3>\n\n\n\n<div class=\"kizibox\">\n<p><span class=\"box-title\">\u5206\u6563\u306e\u6c42\u3081\u65b9\u2461<\/span><\/p>\n<ol style=\"margin-bottom: 0px;\">\n<li><span class=\"huto\">\u30c7\u30fc\u30bf\u306e2\u4e57\u5e73\u5747\u3092\u6c42\u3081\u308b<\/span><\/li>\n<li><span class=\"huto\">\u5e73\u5747\u5024\u306e2\u4e57\u3092\u6c42\u3081\u308b<\/span><\/li>\n<li><b>\u5206\u6563\u3092\u6c42\u3081\u308b<\/b><\/li>\n<\/ol>\n<\/div>\n\n\n\n<p>2\u4e57\u306e\u5e73\u5747\u3092\u6c42\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>\\(\\displaystyle \\frac{40^{2}+50^{2}+60^{2}+60^{2}+90^{2}}{5}\\)<\/p>\n\n\n\n<p>\\(=\\displaystyle \\frac{19400}{5}\\)<\/p>\n\n\n\n<p>\\(=3880\\)<\/p>\n\n\n\n<p>\u6b21\u306b\u5e73\u5747\u306e2\u4e57\u3092\u6c42\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<p>C\u30af\u30e9\u30b9\u306e\u5e73\u5747\u70b9\u306f60\u70b9\u306a\u306e\u3067\u3001<\/p>\n\n\n\n<p>\\(60^{2}=3600\\)<\/p>\n\n\n\n<p>\u5206\u6563\\(s^{2}=3880-3600=280\\)<\/p>\n\n\n\n<p>\u3057\u305f\u304c\u3063\u3066\u3001\u6c42\u3081\u308b\u5206\u6563\u306f280\u3067\u3042\u308b\u3002<\/p>\n\n\n\n<p>\u3069\u3061\u3089\u3082\u540c\u3058\u6570\u5b57\u306b\u306a\u3063\u305f\u306e\u3067\u9593\u9055\u3044\u306f\u306a\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"matome\">\u30c7\u30fc\u30bf\u306e\u5206\u6563\u3000\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u30c7\u30fc\u30bf\u306e\u5206\u6563\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u516c\u5f0f\u306f\u8907\u96d1\u3067\u3059\u304c\u6163\u308c\u308c\u3070\u30b9\u30e0\u30fc\u30ba\u306b\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5206\u6563\u306f\u30c7\u30fc\u30bf\u306e\u6563\u3089\u3070\u308a\u3092\u8868\u3059\u6307\u6a19\u3067\u3001\u5206\u6563\u306e\u5024\u304b\u3089\u30c7\u30fc\u30bf\u5168\u4f53\u306e\u5206\u5e03\u304c\u30a4\u30e1\u30fc\u30b8\u3067\u304d\u308b\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>\u5206\u6563\u306e\u516c\u5f0f<\/span><\/div><div class=\"cap_box_content\">\n<p>\u5909\u6570\\(x\\)\u306e\u5024\u304c\\(x_1,x_2,&#8230;,x_n\\)\u3067\u3001\u5e73\u5747\u304c\\(\\bar{x}\\)\u306e\u3068\u304d<br>\u5206\u6563\\(s^{2}\\)\u306f\u3001<\/p>\n\n\n\n<p>\\(\\displaystyle \\frac{1}{n}\\{(x_{1}-\\bar{x})^{2}+(x_{2}-\\bar{x})^{2}+&#8230;+(x_{n}-\\bar{x})^{2}\\}\\)<br>\\(=\\displaystyle \\frac{1}{n}\\sum_{i=1}^n (x_i-\\bar{x})^{2}\\)<\/p>\n\n\n\n<p>\u3082\u3057\u304f\u306f<\/p>\n\n\n\n<p>\\(\\displaystyle s^{2}=\\frac{1}{n}\\sum_{i=1}^n x_i^{2} -\\bar{x}^{2}\\)<\/p>\n<\/div><\/div>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img decoding=\"async\" width=\"767\" height=\"241\" src=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u610f\u5473.jpg\" alt=\"\u5206\u6563\u306e\u610f\u5473\" class=\"wp-image-3101\" srcset=\"https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u610f\u5473.jpg 767w, https:\/\/math-travel.jp\/wp-content\/uploads\/2020\/11\/\u5206\u6563\u306e\u610f\u5473-300x94.jpg 300w\" sizes=\"(max-width: 767px) 100vw, 767px\" \/><\/figure>\n<\/div>\n\n\n<div class=\"swell-block-capbox cap_box\"><div class=\"cap_box_ttl\"><span>\u5206\u6563\u306e\u5927\u5c0f<\/span><\/div><div class=\"cap_box_content\">\n<p>\u5206\u6563\u304c\u5927\u304d\u3044\u21d2\u5e73\u5747\u5024\u304b\u3089\u96e2\u308c\u3066\u3044\u308b\u5024\u304c\u591a\u3044<br>\u5206\u6563\u304c\u5c0f\u3055\u3044\u21d2\u5e73\u5747\u5024\u306b\u8fd1\u3044\u5024\u304c\u591a\u3044<\/p>\n<\/div><\/div>\n\n\n\n<p>\u5206\u6563\u304c\u6c42\u3081\u3089\u308c\u308b\u3068\u6a19\u6e96\u504f\u5dee\u3084\u76f8\u95a2\u4fc2\u6570\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u6a19\u6e96\u504f\u5dee\u3084\u76f8\u95a2\u4fc2\u6570\u3082\u30c6\u30b9\u30c8\u3067\u51fa\u984c\u3055\u308c\u308b\u306e\u3067\u78ba\u8a8d\u3057\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5165\u529b\u3057\u305f\u5024\u306e\u5206\u6563\u3092\u7b97\u51fa\u3057\u307e\u3059\u3002 \u5024\u3092\u30ab\u30f3\u30de\uff08,\uff09\u3067\u533a\u5207\u3063\u3066\u5165\u529b\u5f8c\u306b\u7b97\u51fa\u30dc\u30bf\u30f3\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u5206\u6563\u306f\u300c\u5e73\u5747\u304b\u3089\u306e\u5dee\u300d\u306e\u4e8c\u4e57\u5e73\u5747\u3092\u6307\u3059\u306e\u3067\u3001\u30c7\u30fc\u30bf\u6570:n\u3001\u5404\u30c7\u30fc\u30bf\u5024:xi\u3001\u5e73\u5747:\u03bc\u3068\u3057\u305f\u3068\u304d\u3001 \u516c\u5f0f\uff1as2=1n\u03a3(x [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5147,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[44,222],"tags":[45,10,11],"class_list":["post-3077","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data","category-math-1","tag-45","tag-a","tag-11"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - 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