1. Consider using a simple moving average model. Experiment with models using ve weeks' and three weeks' past data. The past data in each region are given as follows [week -1 is the week before week 1 in the table, -2 is two weeks before week 1, etc.). Evaluate the forecasts that would have been made over the 13 weeks using the overall (at the end of the 13 weeks} mean absolute deviation, mean absolute percent error, and tracking signal as criteria. Week 5 4 3 2 1 Atlanta 45 3B 30 58 3? Boston 62 1 B 48 40 35 Chlcago E2 22 72 44 48 Dallas 42 35 4O 64 43 LA 43 40 54 46 35 Total 254 1 53 244 252 198