Q1) prove the following below i). Corr(X , Y ) ∈ [−, 1, 1] ii) E(X|Y) = E(X) or E(Y|X) = E(Y) ⇒ Corr(X,Y) = 0 iii). If Y =a+bX a,b∈R, then Var(Y)=b2Var(X)

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