Question: Answer the following questions using the data from the Excel file cafeteria. xlsx described in Problem 16.34. From Exercise a. Forecast the food services sales

Answer the following questions using the data from the Excel file cafeteria. xlsx described in Problem 16.34.
From Exercise

a. Forecast the food service€™s sales for each day next week using seasonal dummy variables and a best subsets regression.
b. Interpret the meaning of the coefficients for the seasonal dummy variables.

Day Monday Tuesday Wednesday 726 Thursday Friday Daily Sales () Week 1 Week 2 Week 3 718 561 740 502 587 657 563 728 550 809 523 633 539 530

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