Question

Given that the regression coefficients are – 1.5 and 0.5, the value of the square of correlation coefficient is

• A. 0.75
• B. 0.7
• C. – 0.75
• D. – 0.5

Answer 1

Answer: (C)

– 0.75

Answer 2

Correlation coefficient is given by $r^{2} = b_{yx}.b_{xy}$ =

$( - 1.5)(0.5) = - 0.75$.