Time period | Actual Value(A) | Moving avg. Forecast(F) | Forecast error E=|A-F| | Squared Forecast Error | |A-F|A |
1 | 20 | ||||
2 | 14 | 20 | 6 | 36 | 0.4286 |
3 | 16 | 14 | 2 | 4 | 0.1250 |
4 | 10 | 16 | 6 | 36 | 0.6000 |
5 | 18 | 10 | 8 | 64 | 0.4444 |
6 | 14 | 18 | 4 | 16 | 0.2857 |
7 | 14 | ||||
Total | 26 | 156 | 1.88 | ||
Average | 5.20 | 31.20 | 37.67% | ||
MAD | MSE | MAPE |
a
mean absolute error =5.20
b)
mean squared error =MSE =31.20
c)
mean absolute percentage error = 37.67%
d)
forecast for week 7 =14
Problem 15-01 (Algorithmic) Consider the following time series data. Week 1 2 3 4 6 Value...
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