Question: Weekly demand data for a product is provided for 15 historical weeks below. Week 1 2 3 4 5 6 7 8 9 10 11
Weekly demand data for a product is provided for 15 historical weeks below.
| Week | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Demand | 186 | 303 | 501 | 423 | 217 | 394 | 468 | 648 | 464 | 355 | 403 | 592 | 846 | 790 | 493 |
The forecasting team observes the data exhibits seasonality with a period of 5 weeks. They deseasonalize the data, run a regression on the deseasonalized data to get an estimate of level and trend, then compare the result with the historical demand to estimate the following seasonal factors:
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