statistic n any function of a number of random variables, usually identically distributed, that may be used to estimate a population parameter See also →
sampling statistic →
n any function of observed data, esp. one used to estimate the corresponding parameter of the underlying distribution, such as the sample mean, sample variance, etc.
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"Collins English Dictionary 5th Edition first published in 2000 © HarperCollins Publishers 1979, 1986, 1991, 1994, 1998, 2000 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"