Consider the Sample Regression Equation: = 12 + 2x₁

question 53

Multiple Choice

Consider the sample regression equation: = 12 + 2x₁ - 6x₂ + 6x₃ + 2x₄. When x₁ increases 1 unit and x₂ increases 2 units, while x₃ and x₄ remain unchanged, what change would you expect in the predicted y?

• A) Decrease by 2
• B) Decrease by 10
• C) Increase by 2
• D) No change in the predicted y

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