In the Multiple Regression Model, the Adjusted $R ^ { 2 } , \bar { R } ^ { 2 }$

question 32

Multiple Choice

In the multiple regression model, the adjusted $R ^ { 2 } , \bar { R } ^ { 2 }$

• A) cannot be negative.
• B) will never be greater than the regression \(R ^ { 2 }\)
• C) equals the square of the correlation coefficient r .
• D) cannot decrease when an additional explanatory variable is added.

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