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Competitive Stats
Q19Section I (Objective (Q1–Q80))19 of 79

Probability — squared scaled correlation from covariance data

If Cov⁡(2x,y)=4\operatorname{Cov}(2x,y)=4, Var⁡(x/4)=1\operatorname{Var}(x/4)=1 and Var⁡(y/9)=7\operatorname{Var}(y/9)=7, then what is the value of (18r(x,y))2(18r(x,y))^2 equal to?

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