英语词汇“mean-square deviation”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	mean-square deviation
释义	mean-square deviation mean-square deviation [′mēn ′skwer dē·vē′ā·shən] (statistics) A measure of the extent to which a collection v₁, v₂, …, v_nof numbers is unequal; it is given by the expression (1/ n)[(v₁- v̄)²+ ⋯ + (v_n- v̄)²], where v̄ is the mean of the numbers.
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