Question

(a) If covariance between X and Y variables is 12 and the variances of X and Y are 16 and 9 respectively, then find the correlation coefficient between X and Y rx​

Answer 1

Answer:

I don't know please mark as brain list kar dena

Answer 2

Answer:

r(X,Y)=

Var(X)⋅Var(Y)

cov(X,Y)

⇒0.6=

Var(X)⋅25

27

⇒

Var(X)

=

0.6×5

27

∴Var(X)=81