| 单词 | student's t |
| 释义 | Student's tnouna 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 Word Origin for Student's tafter Student, the pen name of W. S. Gosset (1876–1937), English statistician and research scientist Words nearby Student's tStudent Loan Marketing Association, Student National Coordinating Committee, student nurse, Students for a Democratic Society, studentship, Student's t, Student's t distribution, Student's t-test, student teacher, student union, studenty Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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