1. Evaluate the forecasting model using a 3-month moving average, and 3 month moving weighted average, and...
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1. Evaluate the forecasting model using a 3-month moving average, and 3 month moving weighted average, and exponential. The weights are .5 for the most recent demand, .25 for the other months. Alpha = .3. Use the weighted moving average for January Forecast.
Actual Demand | |
Oct | 300 |
Nov | 360 |
Dec | 425 |
Jan | 405 |
Feb | 430 |
March | 505 |
April | 550 |
May | 490 |
2. Calculate MAD and MAPE for each and compare. Which method is a better forecast and why?
Related Book For
Statistics for Business Decision Making and Analysis
ISBN: 978-0321890269
2nd edition
Authors: Robert Stine, Dean Foster
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