In the multiple regression model, the adjusted R², $\bar { R }$ ² A)cannot be negative. B)will never be greater than the regression R². C)equals the square of the correlation coefficient r. D)cannot decrease when an additional explanatory variable is added.

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The adjusted R² accounts for the number of predictors in the model and can be less than the regular R², but it will never be greater.

In the Multiple Regression Model, the Adjusted R2 Rˉ\bar { R }Rˉ

In the Multiple Regression Model, the Adjusted R² $\bar { R }$