Given r 12 =0.6, r 13 =0.5 and r 23=0.8, the value of r 12.3 is
Given the regression lines X+2Y-5=0, 2X+3Y-8=0 and Var(X)=12, the value of Var(Y) is
A measure of linear association of a variable with a number of other variables is known as
The hypothesis for a specific known value of p can be tested by
The range of simple correlation coefficient is
If p is the simple correlation coefficient, the quantity p2 is known as