Data composed on the yearly demand for 50-pound bags of fertilizer at Wallace Garden Supply are given in the following table. Develop a 3-year moving average to forecast sales. Then estimate demand again with a weighted moving average in which sales in the most previous  year are given a weight of 2 and sales in the other 2 years are every given a weight of 1. Which method do you think is high quality?

Year Scale    Fertilizer Demand
1                       4
2                      6
3                       4
4                      5
5                     10
6                      8
7                      7
8                      9
9                    12
10                  14
11                 15

Posted Date: 3/21/2013 2:00:35 AM | Location : United States

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