Question: Refer to Exercise 7.49. Compute the covariance and the coefficient of correlation. In exercise 7.49 The bivariate distribution of X and Y is described here.

Refer to Exercise 7.49. Compute the covariance and the coefficient of correlation.


In exercise 7.49

The bivariate distribution of X and Y is described here.

х .28 .42 .12 .18 2.

a. Find the marginal probability distribution of X.

b. Find the marginal probability distribution of Y .

c. Compute the mean and variance of X.

d. Compute the mean and variance of Y .


.28 .42 .12 .18 2.

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