Refer to the gasoline sales time dateRefer to the gasoline sales time series data in Table. a… 1 answer below »

Refer to the gasoline sales time dateRefer to the gasoline sales time series data in Table.a. Compute four- and five-week moving averages for the time series.b. Compute the MSE for the four- and five-week moving average forecasts.c. What appears to be the best number of weeks of past data to use in the moving average computation? Remember that the MSE for the three-week moving average is 10.22.TABLE GASOLINE SALES TIMES SERIESWeek Sales (1000s of gallons)1 …………………………172 …………………………213 …………………………194 …………………………235 ………………………….186 …………………………167 …………………………208 …………………………189 …………………………2210 ……………………….2011 ……………………….1512 ……………………….22

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