[Steps Shown] Sales of storage bins at Bud’s Discount Store over the past eight years are shown below. Year Unit Sales 1 100 2 93 3 96 4 110 5 124 6 119 7
Question: Sales of storage bins at Bud’s Discount Store over the past eight years are shown below.
| Year | Unit Sales |
| 1 | 100 |
| 2 | 93 |
| 3 | 96 |
| 4 | 110 |
| 5 | 124 |
| 6 | 119 |
| 7 | 92 |
| 8 | 101 |
- Find the forecast and the MAPE for year 9 using:
- a 3-year moving average.
- a 3-year weighted moving average with weights of .6 (most recent), .3, and .1.
- Exponential smoothing with an alpha of .75 and a starting forecast for year 1 of 90.
- Ehe naive method.
b) Which forecasting method is preferable using MAPE?
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