Question

Suppose that for a random sample of size 10, the value of covariance between two variables X and Y is 100 and the standard deviations of X and Y are 5 and 20 respectively. What is the value of regression coefficient in regression of Y on X?

• A. 4
• B. 20
• C. 1
• D. 0.25

Answer 1

Answer: (A)

4

Answer 2

The correct answer is (A) : 4.