[See Solution] Recent actual and forecasted data for a widget product is given in the following table. Month Actual Demand 3-month Forecasted Demand May
Question: Recent actual and forecasted data for a widget product is given in the following table.
| Month | Actual Demand | 3-month Forecasted Demand |
| May | 35 | 25 |
| June | 31 | 30 |
| July | 48 | 33 |
| August | 41 | 38 |
Determine the MSE, MAD, cumulative error and average error.
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