Question

In the Atlanta area, the number of daily calls for the repair of Speedy copy machines has been recorded as follows:
October Calls
1 ........... 92
2 ........... 127
3 ........... 106
4 ........... 165
5 ........... 125
6 ........... 111
7 ........... 178
8 ........... 97
a. Prepare a three-period moving-average forecasts for the data. What is the error on each day?
b. Prepare a three-period weighted-moving-average forecasts using weights of w1 = .5, w2 = .3, w3 = .2.
c. Which of the two forecasts is better?


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  • CreatedSeptember 20, 2015
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