A Multiple Regression Model Has the Estimated Form ​

question 40

Multiple Choice

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.

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