Answer the following questions using the data from the Excel file cafeteria. xlsx described in Problem 16.34.
Question:
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.
Transcribed Image Text:
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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