Question: 6.2 A multiple regression includes two regressors: Yi = b0 + b1X1i + b2X2i + ui. What is the expected change in Y if X1

6.2 A multiple regression includes two regressors: Yi = b0 + b1X1i +

b2X2i + ui. What is the expected change in Y if X1 increases by 8 units and X2 is unchanged? What is the expected change in Y if X2 decreases by 3 units and X1 is unchanged? What is the expected change in Y if X1 increases by 4 units and X2 decreases by 7 units?

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