Question: Answer the following questions using the data from the Excel file AOL.xlsx described in Problem 16.30: a. Forecast the advertising revenue for each quarter in

Answer the following questions using the data from the Excel file AOL.xlsx described in Problem 16.30:

a. Forecast the advertising revenue for each quarter in 2013 using seasonal dummy variables and a best subsets regression.

b. Interpret the meaning of the coefficients for the seasonal dummy variables.

c. Calculate the MAD for this forecast.

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