Refer to the gasoline sales time series data in the given table. Week 1 2 3 4 5 6 7 8 9 10 a. Compute four-week and five-week moving averages for the time series. Round your answers to two decimal places. 11 Week 12 1 2 3 4 5 6 7 8 9 10 11 12 18 22 17 15 21 17 22 Sales Moving Average Moving Average 18 22 19 Sales (1000s of gallons) 14 23 18 22 18 22 17 15 21 17 22 4-Week 19 14 23 5-Week b. Compute the MSE for the four-week and five-week moving average forecasts. Round your intermediate calculations and final 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? Recall that MSE for the three-week moving average is 12.89.
Refer to the gasoline sales time series data in the given table. Week 1 2 3 4 5 6 7 8 9 10 a. Compute four-week and five-week moving averages for the time series. Round your answers to two decimal places. 11 Week 12 1 2 3 4 5 6 7 8 9 10 11 12 18 22 17 15 21 17 22 Sales Moving Average Moving Average 18 22 19 Sales (1000s of gallons) 14 23 18 22 18 22 17 15 21 17 22 4-Week 19 14 23 5-Week b. Compute the MSE for the four-week and five-week moving average forecasts. Round your intermediate calculations and final 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? Recall that MSE for the three-week moving average is 12.89.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 52E
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Refer to the gasoline sales time series data in the given table.
Compute four-week and five-week moving averages for the time series. Round your answers to two decimal places.
Compute the MSE for the four-week and five-week moving average forecasts. Round your intermediate calculations and final answers to two decimal places.
What appears to be the best number of weeks of past data (three, four, or five) to use in the moving average computation? Recall that MSE for the three-week moving average is 12.89.
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