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4 1 7 2 9 3 5 7 12 B 13 9 D 10 11 11 7 0 12 The following table shows the actuni domand observed over the last 11 year Year Demand The exertise contains only pateb, mer b) Using the year moving wrap, provide the forecast from periods through 12 crowd your responses to complace) Year 4 5 5 10 11 12 Forecast Waing the year weighted moving average wth weight 0.10.0.31 and 0:00, waing 0:00 Mor the most recent parkot, provide the forced from periodud through 12, cround your responses to come 11 decimal place Year 4 5 8 D 10 11 12 Forecast d) Mansbe deviation for the forecast developed using your moving average is 233 and for the year weighted moving average is 23 Based on this information, the better forecast achieved using the opcoach