A multiple regression model has the estimated form = 7 + 3x₁ + 9x₂ As x₁ increases by 1 unit (holding x₂ constant), y is expected to A) increase by 9 units. B) decrease by 9 units. C) increase by 3 units. D) decrease by 3 units.

Question

Quizplus · Accepted Answer

According to the given model, a 1 unit increase in x₁ leads to an increase in y by 3 units (holding x₂ constant). Therefore, Choice C is the correct answer.

A Multiple Regression Model Has the Estimated Form ​

A Multiple Regression Model Has the Estimated Form