covariance
co·vari·ance
noun \ˌkō-ˈver-ē-ən(t)s, ˈkō-ˌ\Definition of COVARIANCE
1
: the expected value of the product of the deviations of two random variables from their respective means
2
: the arithmetic mean of the products of the deviations of corresponding values of two quantitative variables from their respective means
First Known Use of COVARIANCE
1931
Rhymes with COVARIANCE
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