What does R2,the coefficient of determination,measure?
A)the probability of the true value falling within the forecast interval
B)the p-value on the coefficient we are using to test our hypothesis of interest
C)the confidence interval of the error terms as determined by the coefficients
D)the proportion of the variation in y explained by x within the regression model

Question

Quizplus · Accepted Answer

R2 measures the proportion of the variation in the dependent variable (y) that is explained by the independent variable(s) (x) within the regression model. It ranges from 0 to 1, with a higher value indicating a better fit of the regression line to the data.

What Does R2,the Coefficient of Determination,measure