Question: Construct four period and five period centered moving averages for the quarterly

Construct four-period and five-period centered moving averages for the quarterly residential gas sales in Exercise 18.69. Are there any other energy industries for whom a four-period moving average might have such a great effect on smoothing quarterly sales data? If so, give a real or hypothetical example of such an industry.
In exercise

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  • CreatedSeptember 08, 2015
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