Translation of "covariance" into Khmer

(statistics) A statistical measure defined as \scriptstyle\operatorname{Cov}(X, Y) = \operatorname{E}((X - \mu) (Y - \nu)) given two real-valued random variables X and Y , with expected values \scriptstyle E(X)\,=\,\mu and \scriptstyle E(Y)\,=\,\nu. [..]