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Consider the Regression Model = 30 + 15x1 -

Question 21

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Consider the regression model Consider the regression model = 30 + 15x<sub>1</sub> - 10x<sub>2</sub> + 5x<sub>1</sub>x<sub>2</sub>.A 1-unit increase in x<sub>2</sub>,while holding x<sub>1</sub> constant at 1,changes the value of y,on average,by: A) -5 B) -10 C) +10 D) +5 = 30 + 15x1 - 10x2 + 5x1x2.A 1-unit increase in x2,while holding x1 constant at 1,changes the value of y,on average,by:


A) -5
B) -10
C) +10
D) +5

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