英语词汇“product moment”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	product moment
释义	Definition of product moment in English: product moment noun Statistics (With reference to a set of pairs of statistical data) the sum of the products of the elements of each pair; frequently attributive (usually with hyphen), designating a correlation coefficient (symbol r) calculated from this, equal to the covariance divided by the geometric mean of the variances. Origin Late 19th century; earliest use found in The Economic Journal. Definition of product moment in US English: product moment noun Statistics (With reference to a set of pairs of statistical data) the sum of the products of the elements of each pair; frequently attributive (usually with hyphen), designating a correlation coefficient (symbol r) calculated from this, equal to the covariance divided by the geometric mean of the variances. Origin Late 19th century; earliest use found in The Economic Journal.
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更新时间：2024/12/23 6:39:36