英语词汇“variance”的翻译、意思、用法、释义-英汉经管词典

单词	variance
释义	variance A measure of dispersion. The variance of a set of N numbers is found by adding the squares of their deviations from their mean value, and dividing by N. Thus if the number are x_i, i = 1, 2, …, N, and their mean is μ, their variance is given by 0198607679.variance.1.jpg . See analysis of variance.
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