Question: Problem 3. (20 points) Given the following data, use exponential smoothing (a=0.2) to develop a demand forecast for period 5. Assume the forecast for the

Problem 3. (20 points) Given the following data, use exponential smoothing (a=0.2) to develop a demand forecast for period 5. Assume the forecast for the initial period is 5. (Please round your answers to 2 decimal places.) 5 Period Demand 1 7 2 9 3 5 4 9 (a) What would be a forecast for period 5? (b) If the demand of period 5 turns out to be 12, what are the mean absolute deviation (MAD) of the forecasts

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