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When Var (x) = 2.25, Var (y) = 1 and Cov (x, y) = 0.9, then correlation coefficient is

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Question:

When Var (x) = 2.25, Var (y) = 1 and Cov (x, y) = 0.9, then correlation coefficient is

A.

0.45

B.

0.8

C.

0.6

D.

0.75

Answer» c. 0.6

Note: The above multiple-choice question is for all general and Competitive Exams in India.