Given the series of demand data below
Period: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Demand: | 41 | 31 | 51 | 45 | 23 | 48 | 33 | 43 | 29 | 38 |
a. Calculate the forecasts for periods 7 through 11 using moving average models with n = 2, n = 4, and n = 6. (Round your intermediate calculations and final answers to 1 decimal place.)
b-1. Calculate the bias and MAD for each set of forecasts. (Negative answers should be indicated by a minus sign. Round your intermediate calculations and final answers to 1 decimal place.)
b-2. Which moving average model is best with respect to MAD?
2-week moving average | |
6-week moving average | |
4-week moving average |
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