In a multiple regression model, the adjusted r²
A) cannot be negative.
B) can sometimes be negative.
C) can sometimes be greater than +1.
D) has to fall between 0 and +1.

Name: In a multiple regression model, the adjusted r² A) cannot be negative. B) can sometimes be negative. C) can sometimes be greater than +1. D) has to fall between 0 and +1.
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Question

Quizplus · Accepted Answer

The adjusted R² can be negative when the model does not explain the variability of the response data better than a simple mean.

In a Multiple Regression Model, the Adjusted R²