a. Calculate daily seasonal relatives for die number of customers served at a restaurant, given the following data.
b. Deseasonalize tire data, fit a n appropriate model to the deseasonalized data, project it 7 days ahead, and reseasonalize the projections to forecast daily demand next week.

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Number Served Number Served 15 16 17 5 130 19 . 135 20 140 7 8 40 82 10 . 80 11 A 12 125 13 135 14...4:2 24 .. 98