Statistics and methodology

1:

Given

X = 0.85Y, Y = 0.89X, σx = 3, r will be

A.

0.32

B.

0.46

C.

0.87

D.

0.39

 

Answer : C

Explanation :

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

Hence the answer is (c).

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Option: A

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