Question

The correlation coefficient is the_______of two regression coefficients.

• A. Geometric mean
• B. Airthmetic mean
• C. Harmonic mean
• D. None of these

Answer 1

The correct option is A Geometric mean

The correlation coefficient is the Geometric mean of two regression coefficients.

$r=\pm \sqrt{b_{yx}\ast b_{xy}}$

where $r$ is the correlation coefficient

$b_{yx},b_{xy}$ are the regression coefficients.