Q336
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 [ Hint: r = Covariance x, y ( Variance of X ) × ( Variance of Y ) ]
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.
0.38
B.
0.82
AnswerC.
0.85
D.
0.76
Answer: Option B
Solution
Answer: Option B
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