Refer to the gasoline sales time series data in the given table. WeekSales (1000s of gallons)118222318422518616720819923102111141223Compute four-week and five-week moving averages for the time series. If required, round your answers to two decimal places.WeekSales4 PeriodMoving Average5 PeriodMoving Average118 222 318 422 518 616 720 819 923 1021 1114 1223 Compute the MSE for the four-week and five-week moving average forecasts. If required, round your intermediate calculations to four decimal places and round your final answers to three decimal places.MSE for four-week moving average = MSE for five-week moving average =

Let 'Yt' shows the value of current year t. So 4 -week moving average can be calcualted as…

Answered: Refer to the gasoline sales time series…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Refer to the gasoline sales time series data in the given table.

Week	Sales (1000s of gallons)
1	18
2	22
3	18
4	22
5	18
6	16
7	20
8	19
9	23
10	21
11	14
12	23

Compute four-week and five-week moving averages for the time series. If required, round your answers to two decimal places.

Week	Sales	4 Period Moving Average	5 Period Moving Average
1	18
2	22
3	18
4	22
5	18
6	16
7	20
8	19
9	23
10	21
11	14
12	23

Compute the MSE for the four-week and five-week moving average forecasts. If required, round your intermediate calculations to four decimal places and round your final answers to three decimal places.

MSE for four-week moving average =

MSE for five-week moving average =

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