Question: In a linear regression, how can including a control variable change the coefficient for a predictor that is already in the linear regression? Group of

In a linear regression, how can including a control variable change the coefficient for a predictor that is already in the linear regression?

Group of answer choices

A. Including a control variable cannot change the coefficient.

B. Including a control variable can only reduce the coefficient.

C. Including a control variable can only increase the coefficient.

D. Including a control variable can reduce, increase, or not change the coefficient.

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