Consider the Sample Regression Equation = 12 + 3x₁

question 2

Multiple Choice

Consider the sample regression equation = 12 + 3x₁ - 5x₂ + 7x₃ - 2x₄.When x₁ increases by 1 unit and x₂ increases by 2 units,while x₃ and x₄ remain unchanged,what change would you expect in the predicted y?

• A) Decrease by 2
• B) Decrease by 4
• C) Decrease by 7
• D) No change in predicted y

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