Question: Exercise One: Given the following time series, and using your knowledge of forecasting, compute, (a) the three-period moving average, (b) the error of your forecasting,
Exercise One: Given the following time series, and using your knowledge of forecasting, compute, (a) the three-period moving average, (b) the error of your forecasting, (c) the absolute error, (d) the squared error, (e) the absolute percentage error, (f) the Mean Absolute Deviation (MAD), (g) the Mean Squared Error (MSE), (h) the Mean Absolute Percentage Error (MAPE), (i) using a four-period moving average, repeat steps (a) thru (h), (g) for both moving averages, graph the actual vs forecast series as shown in class.
| Period | Actual Value |
| 1 | 31 |
| 2 | 33 |
| 3 | 37 |
| 4 | 34 |
| 5 | 38 |
| 6 | 40 |
| 7 | 36 |
| 8 | 41 |
| 9 | 43 |
| 10 | 39 |
| 11 | 42 |
| 12 | 40 |
| 13 |
Please Solve using Excel. And show the solution through Excel. Thanks!
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