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The correlation coefficient between X and Y is 0.6. Their covariance is 4.8 and thevariance of X is 4. Then the variance of Y is:

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Question:

The correlation coefficient between X and Y is 0.6. Their covariance is 4.8 and thevariance of X is 4. Then the variance of Y is:

A.

2

B.

9

C.

4

D.

16

Answer» d. 16

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