Question: 8 . Below are the data for the past 9 months of the actual sales of a particular product. Develop a forecast for the fourth

8. Below are the data for the past 9 months of the actual sales of a particular product.
Develop a forecast for the fourth quarter using a three-quarter, weighted moving average. Weight the most recent quarter 0.5, the second most recent 0.25, and the third 0.25.(Hint: Solve the problem using quarters, as opposed to forecasting separate months.)
9. Calculate the Mean Absolute Deviation (MAD) in the following table based on the actual and forecasted demand over the first six months of the year:
 8. Below are the data for the past 9 months of

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