The correlation coefficient of two random variable X and Y is −14−14 , their variance is given by 3 and 5. Compute Cov(X,Y)Cov(X,Y)
A. -0.854
B. 0.561
C. -0.968
D. None of the above
Answer:C
The correlation coefficient of two random variable X and Y is −14−14 , their variance is given by 3 and 5. Compute Cov(X,Y)Cov(X,Y)
A. -0.854 B. 0.561 C. -0.968 D. None of the above