A Multiple Regression Model Has the Form $\hat { y }$

question 20

Multiple Choice

A multiple regression model has the form ? $\hat { y }$ = 7 + 2 x₁ + 9 x₂
?
As x₁ increases by 1 unit (holding x₂ constant) , $\hat { y }$ is expected to _____.

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

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