(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 places. 4-Week Week Sales Moving 5-Week Moving Average Average 1 16 2 22 3 17 4 23 5 15 6 17 7 21 8 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 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 -
(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 places. 4-Week Week Sales Moving 5-Week Moving Average Average 1 16 2 22 3 17 4 23 5 15 6 17 7 21 8 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 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 -
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:(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 places.
4-Week
Week
Sales
Moving
5-Week
Moving
Average
Average
1
16
2
22
3
17
4
23
5
15
6
17
7
21
8
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 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 -
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