Question: An electrical contractor's records during the last five weeks indicate the number of job requests: week 1 2 3 4 5 requests 20 22 18
An electrical contractor's records during the last five weeks indicate the number of job requests:
| week | 1 | 2 | 3 | 4 | 5 |
| requests | 20 | 22 | 18 | 21 | 22 |
Predict the number of requests for week 6 using each of these methods:
1. Nave
2. A Four-Period moving average.
3. Exponential smoothing with = 0.30.
4. If in period 6 actual/real at the end it has been 24, what forecasting technique has been more accurate according to MAD?
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