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If X=0.85y and y=0.89x, S.D of x=3 , calculate S.D of y and r.

If X=0.85y and y=0.89x, S.D of x=3 , calculate S.D of y and r.

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A)

X = 0.85Y or Bxy = 0.85

Y = 0.89X or Byx = 0.89

r = √(Bxy x Byx) = √(0.85 x 0.89)

= √0.7565 = 0.87

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