Question: Ben wants to make a demand forecast based on the exponential smoothing method. To choose a good smoothing factor a, he checks the demand in

Ben wants to make a demand forecast based on the exponential smoothing method. To choose a good smoothing factor a, he checks the demand in the previous three days (Day 1 to Day 3 ): The forecasted demand on Day 1 is 101 . Which of the following a leads to the smallest mean absolute error to forecast the demand from Day 1 to Day 3 ? a=0.4a=0.8a=0.2a=0.6

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