standard deviation
柯林斯詞典
1. N a measure of dispersion obtained by extracting the square root of the mean of the squared deviations of the observed values from their mean in a frequency distribution 標(biāo)準(zhǔn)偏差[statistics]
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1. N a measure of dispersion obtained by extracting the square root of the mean of the squared deviations of the observed values from their mean in a frequency distribution 標(biāo)準(zhǔn)偏差[statistics]