Question: Using the 4 weeks of data below, what is the forecast error for week 4 using a 3 week weighted moving average if the most
Using the 4 weeks of data below, what is the forecast error for week 4 using a 3 week weighted moving average if the most current weight is 0.7, then 0.2 and lastly 0.1.?
| Week | Sales |
| 1 | 20 |
| 2 | 40 |
| 3 | 15 |
| 4 | 38 |
Group of answer choices
0
-17.5
17.5
4.4
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