A Multiple Regression Model Has the Following Estimated Form

question 14

Multiple Choice

A multiple regression model has the following estimated form: = 7 + 2x₁ + 9x₂
As x₂ increases by 1 unit (holding x₁ constant) , y is expected to

• A) increase by 9 units.
• B) decrease by 9 units.
• C) increase by 2 units.
• D) decrease by 2 units.