The followng table shows the actual demand observed over the last 11 years: Year 1 2 3 4 7 8 10 11 Demand 7 8 6 7 11 7 13 14 9 13 6 This exercise contains only parts b, c, and d. b) Using the 3-year moving average, provide the forecast from periods 4 through 12 (round your responses to one decimal place). Year 4 7 8. 9 10 11 12 Forecast 7 7 8 8.3 10.3 11.3 12 12 9.3 c) Using the 3-year weighted moving average with weights 0. 15, 0.35, and 0..50, using 0.50 for the most recent period, provide the forecast from periods 4 through 12 (round your responses to two decimal places). Year 4 7 10 11 12 Forecast
The followng table shows the actual demand observed over the last 11 years: Year 1 2 3 4 7 8 10 11 Demand 7 8 6 7 11 7 13 14 9 13 6 This exercise contains only parts b, c, and d. b) Using the 3-year moving average, provide the forecast from periods 4 through 12 (round your responses to one decimal place). Year 4 7 8. 9 10 11 12 Forecast 7 7 8 8.3 10.3 11.3 12 12 9.3 c) Using the 3-year weighted moving average with weights 0. 15, 0.35, and 0..50, using 0.50 for the most recent period, provide the forecast from periods 4 through 12 (round your responses to two decimal places). Year 4 7 10 11 12 Forecast
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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Transcribed Image Text:The following table shows the actual demand observed over the last 11 years:
orrec
Year
2
4
7
169
10
11
Demand
8.
11
13
14
6.
13
9.
This exercise contains only parts b, c, and d.
b) Using the 3-year moving average, provide the forecast from periods 4 through 12 (round your responses to one decimal place).
Year
4
6.
10
11
12
Forecast
8.3
10.3
11.3
12
12
9.3
c) Using the 3-year weighted moving average with weights 0.15, 0.35, and 0.50, using 0.50 for the most recent period, provide the forecast from periods 4 through 12
(round your responses to two decimal places).
Year
4
7
10
11
12
Forecast
Expert Solution
Step 1
Given:
The weights are 0.15, 0.35 and 0.50.
0.50 is for the most recent period.
The provided data is:
| Year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| Demand | 7 | 8 | 6 | 7 | 11 | 7 | 13 | 14 | 9 | 13 | 6 |
b)
Steps to calculate 3 year moving average are as follows:
1) Calculate the average demand of previous 3 years to get the moving average of the current year.
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