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Given two variables with : Var(X) = 25, Var(Y) = 16, also, the correlation between X and Y is -0.5, calculate Cov(X, Y), Cov(2X, 3Y),
Given two variables with : Var(X) = 25, Var(Y) = 16, also, the correlation between X and Y is -0.5, calculate Cov(X, Y), Cov(2X, 3Y), Var(X+Y) and Var (2X + 3Y)?
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Understanding Analysis
Authors: Stephen Abbott
2nd Edition
1493927124, 9781493927128
