Which Statement Is Not True About Partial Regression Coefficients

question 57

Multiple Choice

Which statement is not true about partial regression coefficients?

• A)The combined effects of X₁ and X₂ on Y are additive.In other words,if X₁ and X₂ are each changed by one unit,the expected change in Y would be (b₁ + b₂).
• B)The beta coefficients are the partial regression coefficients obtained when all the variables (Y,X_1,X_2...X_k) have been standardized to a mean of 0 and a variance of 1 before estimating the regression equation.
• C)Partial regression coefficients have an order associated with them.
• D)Both A and B are not true.

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