In the multiple regression model we interpret X₁ as follows: holding X₂ constant, if X₁ increases by 1 unit, then the expected value of Y will increase by 9 units.

Question

Quizplus · Accepted Answer

The interpretation given for X₁ is incorrect. The correct interpretation would be: holding all other variables constant, if X₁ increases by 1 unit, then the expected value of Y will increase by β11 units, where β11 is the coefficient estimate for X₁ in the multiple regression model.

In the Multiple Regression Model We Interpret X1 as Follows

In the Multiple Regression Model We Interpret X₁ as Follows