$\\displaystyle t = \\frac{\\bar X - \\mu}{SD\/\\sqrt n} = \\frac{\\bar X - \\mu}{SE} \\vspace{0.2in}\\\\$ <\/p>\n

\u3000\u7570\u5206\u6563\u306e\u72ec\u7acb\u3057\u305f2\u7fa4\u306e\u5e73\u5747\u5024\u3092\u6bd4\u3079\u308b\u5834\u5408\u306e t \u7d71\u8a08\u5024\u306f\u6b21\u5f0f\u3067\u6c42\u307e\u308a\u307e\u3059\uff0e<\/p>\n

$\\displaystyle t = \\frac{(\\bar X_2 - \\bar X_1)}{SD_p \\sqrt{\\frac{1}{n_1} + \\frac{1}{n_2}}} = \\frac{(\\bar X_2 - \\bar X_1)}{SE}\\vspace{0.2in}\\\\ SD_p = \\sqrt{\\frac{(n_1 - 1)SD_1^2 + (n_2 -1)SD_2^2}{n_1 + n_2 - 2}}$ <\/p>\n

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\u53c2\u7167\uff1at\u5206\u5e03<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

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