Question

If the co-efficient of correlation between x and y is 0.28, covariance between x and y is 7.6 and variance of x is 3, then the *.D. in y series is :

(a) 10.05

(b) 9.05

(c) 10.1

(d) 9.8

Answer 1

Correct option (b) 9.05

Explanation:

Co-efficient of correlation