Statistics and methodology

1:

If covariance of X and Y is 12.3, variance of X is 16.4 and variance of Y is 13.8, then r will be

A.

+0.79

B.

+0.82

C.

+0.80

D.

+0.83

 

Answer : B

Explanation :

Hence the answer is (b).

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Option: A

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