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Part 3 (10 points) 3a. Run a regression of SalesCntl against BPriceCntl, CPriceCntl and DUM. Provide the estimated regression equation. Answer: Estimated Regression equation: SalesCntl(Y)

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Part 3 (10 points) 3a. Run a regression of SalesCntl against BPriceCntl, CPriceCntl and DUM. Provide the estimated regression equation. Answer: Estimated Regression equation: SalesCntl(Y) = 19050.26 - 15475.90 BPriceCut] + 5989.45 CPriceCut] - 1170.53 DUM (5 points) 3b. What do you make of the value of DUM in this regression? What do you think is going on? Can you put the results from parts 2 and 3 together to reach a conclusion about the effectiveness of the increased advertising in the experimental panel

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