In: Mechanical Engineering
Q] The historical actual sales of an item purchased by a factory is given below. What would have been the forecast had the manager a) used 3 period moving average to make the forecast in the past, and b) used exponential smoothing with alpha=0.2 to make the forecast in the past. Show all calculations. PLEASE PROVIDE TABULATED EXCEL CALCULATIONS.
| Month | Actual Sales |
| 1 | 45 |
| 2 | 48 |
| 3 | 37 |
| 4 | 40 |
| 5 | 43 |
| 6 | 37 |
| 7 | 46 |
| 8 | 48 |
| 9 | 42 |
Sub: Material Science