英语词汇“student's t”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	student's t
释义	Collins Concise English Dictionary © HarperCollins Publishers:: Student's t n a statistic often used to test the hypothesis that a random sample of normally distributed observations has a given mean, μ; given by t = (̄x–μ) √n/s where ̄x is the mean of the sample, s is its standard deviation, and n is the size of the sample Etymology: after Student, the pen name of W. S. Gosset (1876–1937), English statistician and research scientist
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