ISS Indian Statistical Service Statistics Paper-1 Previous Year Question Paper Solution:
Set D Question Number 1,2, & 3
Consider the following for the next three(03) items that follow:
Let the joint pdf of X and Y be
f(x,y)= 6(1-x-y); x>0 ,y>0 , x+y < 1 and 0 ; otherwise
(1) What is the value of E(XY)?
(2) What is the value of Cov(X,Y)?
(3) What is the equation of line of regression of X and Y?
(d) X= (1-Y)/5
SOLVED ISS 2021 PREVIOUS YEAR QUESTION
STATISTICS PAPER-1 Q.NO. 1-3 and SET-D