Question: Based on the following data, complete empty cells of the table by using Exponential Smoothing method. Then, Forecast the value of Month 9 and compute
Based on the following data, complete empty cells of the table by using Exponential Smoothing method. Then, Forecast the value of Month 9 and compute the MSE index. (and consider the forecast of first month equal to 22).
| Month | Real observations | Forecast | Forecast error | Squared forecast error | MSE |
| 1 | 25 |
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| 2 | 40 |
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| 3 | 21 |
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| 4 | 30 |
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| 5 | 22 |
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| 6 | 21 |
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| 7 | 32 |
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| 8 | 26 |
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| 9 | - |
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