The formula for calculating the slope for a regression line is: A) r[$\sigma$_x/$\sigma$_y]. B) r[$\sigma$_y/$\sigma$_x]. C) r[z_y/ z_x]. D) r[z_x/ z_y].

Question

Quizplus · Accepted Answer

The slope of the regression line is calculated as the correlation coefficient (r) multiplied by the ratio of the standard deviation of y ($\sigma$_y) to the standard deviation of x ($\sigma$_x).

The Formula for Calculating the Slope for a Regression Line σ\sigmaσ

The Formula for Calculating the Slope for a Regression Line $\sigma$