Compute a three-week moving average demand and a four-week moving average demand for weeks 5, 6, and 7. Compute the MAD for both forecasting methods. Which model is more accurate? Forecast week8 with the more accurate method

Essentials of Business Analytics (MindTap Course List)
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Author:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
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Chapter8: Time Series Analysis And_forecasting
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Problem 11P: For the Hawkins Company, the monthly percentages of all shipments received on time over the past 12...
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Weekly customer demand for the ice cream can be seen in the table below.

Week

Demand (gallons)

1

280

2

295

3

315

4

300

5

340

6

335

7

350

Compute a three-week moving average demand and a four-week moving average demand for weeks 5, 6, and 7. Compute the MAD for both forecasting methods. Which model is more accurate? Forecast week8 with the more accurate method

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