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Consider the Sample Regression Equation = 12 + 3x1

Question 112

Multiple Choice

Consider the sample regression equation Consider the sample regression equation = 12 + 3x<sub>1</sub> - 5x<sub>2</sub> + 7x<sub>3</sub> - 2x<sub>4</sub>. When x<sub>1</sub> increases by 1 unit and x<sub>2</sub> increases by 2 units, while x<sub>3</sub> and x<sub>4</sub> 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 = 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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