Which is NOT true about the coefficient of determination? A) As you add more variables,the R-square generally rises. B) As you add more variables,the adjusted R-square can fall. C) If the R-square is above 50%,the regression is considered significant. D) The R-square gives the percent of the variation in the dependent variable that is explained by the independent variables. E) The higher is the R-square,the better is the fit.

Question

Quizplus · Accepted Answer

The coefficient of determination, or R-square, does not directly indicate whether a regression is significant. Significance is determined through statistical tests like the F-test, not merely by the value of R-square.

Which Is NOT True About the Coefficient of Determination