The Standard Error of the Estimate for a Multiple Regression

question 3

Multiple Choice

The standard error of the estimate for a multiple regression model with two explanatory variables X₁ and X₂:

• A)measures the variation around the predicted regression equation.
• B)measures the proportion of variation in Y that is explained by X₁ and X_2.
• C)measures the proportion of variation in Y that is explained by X₁ holding X₂ constant.
• D)has the same sign as b₁.

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