Question: ( f ) If r x y = 0 . 2 2 , Cov ( x , Y ) = 2 . 2 and a

(f) If rxy=0.22,Cov(x,Y)=2.2 and ax2=16, find ay
( f ) If r x y = 0 . 2 2 , Cov ( x , Y ) = 2 . 2

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