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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