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QUESTION
Refer again to the gasoline sales time series data in Table 15. Using a weight of 1/2 for the most recent observation, 1/3 for the second most...
Refer again to the gasoline sales time series data in Table 15.1. a. Using a weight of 1/2 for the most recent observation, 1/3 for the second most recent, and 1/6 for third most recent, compute a three-week weighted moving average for the time series.
Refer again to the gasoline sales time series data in Table 15.1.a. Using a weight of 1/2 for the most recent observation, 1/3 for the second most recent,and 1/6 for third most recent, compute a three-week weighted moving average for thetime series.TABLE 15.1 GASOLINE SALES TIME SERIESWeekSales (1000s of gallons)1721192318