英语词汇“standard deviation”是什么意思，“standard deviation”的读音、用法及例句翻译-烛光网

词汇	standard deviation
释义	standard deviationn.Abbr. SD, S.D.Statistics （名词）缩写 SD, S.D.【统计学】 A statistic used as a measure of the dispersion or variation in a distribution, equal to the square root of the arithmetic mean of the squares of the deviations from the arithmetic mean.标准差：一种衡量分布中的分散或变化情况的数据，等于与该分布的算术中平均数之间离差其平方的算术平均数的平方根
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