In a simple linear regression, if the coefficient of determination is 0.94, then:
A) 94% of the x-values are equal.
B) 98% of the total variation in x can be explained by the regression line.
C) 94% of the total variation in y can be explained by the regression line.
D) 98% of the total variation in y can be explained by the regression line.

Question

Quizplus · Accepted Answer

The coefficient of determination (R-squared) represents the proportion of the total variation in the dependent variable (y) that is explained by the regression line. Therefore, if the coefficient of determination is 0.94, it means that 94% of the total variation in y can be explained by the regression line.

In a Simple Linear Regression, If the Coefficient of Determination