(a) Compute four-week and five-week moving averages for the time series. 4-Week 5-Week Moving Average Forecast Time Serles Moving Average Forecast Week Value 1 18 22 20 24 19 6. 17 20 8. 19 22 10 21 11 15 12 23 (b) Compute the MSE for the four-week moving average forecasts. (Round your answer to two decimal places.) Compute the MSE for the five-week moving average forecasts. (Round your answer to two decimal places.) 2. 3. 4. 9,
(a) Compute four-week and five-week moving averages for the time series. 4-Week 5-Week Moving Average Forecast Time Serles Moving Average Forecast Week Value 1 18 22 20 24 19 6. 17 20 8. 19 22 10 21 11 15 12 23 (b) Compute the MSE for the four-week moving average forecasts. (Round your answer to two decimal places.) Compute the MSE for the five-week moving average forecasts. (Round your answer to two decimal places.) 2. 3. 4. 9,
MATLAB: An Introduction with Applications
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Author:Amos Gilat
Publisher:Amos Gilat
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Question
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Please answer part a, b

Transcribed Image Text:Suppose these data show the number of gallons of gasoline sold by a gasoline distributor in Bennington, Vermont, over the past 12 weeks.
Sales (1,000s
of gallons)
Week
1
18
2
22
3
20
4
24
19
17
20
8
19
9
22
10
21
11
15
12
23

Transcribed Image Text:(a) Compute four-week and five-week moving averages for the timne series.
4-Week
Μονing
Average
Forecast
5-Week
Moving
Average
Forecast
Time Serles
Week
Value
1
18
2
22
3
20
4
24
5
19
6
17
20
8
19
22
10
21
Mar
con 3
11
15
12
23
(b) Compute the MSE for the four-week moving average forecasts. (Round your answer to two decimal places.)
Compute the MSE for the five-week moving average forecasts. (Round your answer to two decimal places.)
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