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S Problem 08-07 Algo (Moving Averages and Exponential Smoothing) Refer to the gasoline sales time series data in the given table. Week Sales (1,000s of
S Problem 08-07 Algo (Moving Averages and Exponential Smoothing) Refer to the gasoline sales time series data in the given table. Week Sales (1,000s of gallons) 1 16 22 w N 17 4 23 N. 5 15 17 21 8 000 19 9 20 18 11 15 12 23 (a) Compute four-week and five-week moving averages for the time series. hp (a) Compute four-week and five-week moving averages for the time series. Do not round intermediate calculations. If required, round your answers to two decimal 4-Week 5-Week Week Sales Moving Moving Average Average 1 16 2 22 3 17 4 23 15 5 6 17 7 21 00 19 9 20 10 18 11 15 12 23 (b) Compute the MSE for the four-week and five-week moving average forecasts. Do not round intermediate calculations. If required, round your answers to two decimal pl e hp 12 23 (b) Compute the MSE for the four-week and five-week moving average forecasts. Do not round intermediate calculations. If required, round your answers to two decimal places MSE for four week moving average MSE for five-week moving average (c) What appears to be the best number of weeks of past data (three, four, or five) to use in the moving average computation? Consider that the MSE for the three week moving average is 12.667 Select your answer Select your answer. Three Four Five Check My Work (1 remaning 0 Icon Key Problem 08-07 Algo (Moving Averages and Exponential Smoothing) Question 4 of 10 e hp
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