# Question: Using the time series shown in Problem 16 24 answer the

Using the time series shown in Problem 16.24, answer the following questions:

a. Forecast the demand for each quarter in Year 4 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.

a. Forecast the demand for each quarter in Year 4 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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