Question: Answer the following questions using the data from the Excel file Toys Unlimited. xlsx from Problem 16.49. a. Forecast Toys Unlimited sales for each quarter

Answer the following questions using the data from the Excel file Toys Unlimited. xlsx from Problem 16.49.
a. Forecast Toys Unlimited sales for each quarter next year using a multiple regression with seasonal dummy variables.
b. Interpret the meaning of the coefficients for the seasonal dummy variables.
c. Calculate the MAD for this forecast.

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