Simple exponential forecasts for periods 5-7, using a weight of 0.4 for alpha. For the F4 value needed for calculating the forecast for period 5, use the average of the demand of the periods 1-4.
| Period | Demand | Simple Moving Average | Weighted Moving Average | Exponential Smoothing | Trend Projection |
| 1 | 120 | ||||
| 2 | 127 | ||||
| 3 | 114 | ||||
| 4 | 125 | ||||
| 5 | 133 | 121.5 | 121.6 | ||
| 6 | 130 | 124.75 | 126.2 | ||
| 7 | 135 | 125.5 | 128.3 | ||
| MAD | — | ||||
| MAPE | — |
Formula used in the calculation are following
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