英语词汇“covariance”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	covariance
释义	WordReference Random House Unabridged Dictionary of American English © 2024 co•var•i•ance (kō vâr′ē əns),USA pronunciation n. [Statistics.] Statisticsthe expectation or mean value of the variable formed by multiplying the differences obtained by subtracting two given variates from their respective means; the product of the standard deviations of two given variates and the coefficient of correlation between them. co- + variance 1875–80
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