Question: 4.25. Demand for an item is given below. Using simple exponential smoothing with a = 0.15 and the forecast for period 13 is 255. t

4.25. Demand for an item is given below. Using

4.25. Demand for an item is given below. Using simple exponential smoothing with a = 0.15 and the forecast for period 13 is 255. t d. t di t di t d. 1 2 3 239 325 268 4 5 6 345 254 216 7 8 9 227 221 208 10 11 12 352 241 420 (a) Give a forecast for periods 14 and 20. (b) What would an "equivalent" moving average be? (c) Does a simple moving average seem appropriate for these data

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