The number of daily calls for the repair of speedy copy


Question: 1. Daily demand for marigold flowers at a large garden store is shown below. Compute:

a. A three-period moving average for each period.

b. A five-period moving average for each period.

1376_Period.png

2. The number of daily calls for the repair of Speedy copy machines has been recorded as follows:

1593_Calls.png

a. Prepare three-period moving-average forecasts for the data. What is the error on each day?

b. Prepare 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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