The following table shows the actual demand observed over the last 11 years: Year Demand 1 2 7 10 3 4 4 7 11 10 13 7 5 6 7 9 13 7 11 14 8 This exercise contains only parts b, c, and d. ) Using the 3-year moving average, provide the forecast from periods 4 through 12 (round your responses to one decimal place). 4 5 6 7 8 9 Year 10 11 12 Forecast :) Using the 3-year weighted moving average with weights 0.15, 0.25, and 0.60, using 0.60 for the most recent period, provide the forecast from periods 4 through 12 (round your responses to two decimal places). Year 10 12 co

Practical Management Science
6th Edition
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Author:WINSTON, Wayne L.
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Chapter2: Introduction To Spreadsheet Modeling
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Can you assit me with this problem 3  by showing me the process step by step. I prefer it not be in the form of an excel sheet because it is hard to follow along. Thank you kindly

The following table shows the actual demand observed over the last 11 years:
Year
2
3
4
7
8
10
11
Demand
7
10
4
7
13
7
11
14
8
13
7
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.
7
8
10
11
12
Forecast
c) Using the 3-year weighted moving average with weights 0.15, 0.25, and 0.60, using 0.60 for the most recent period, provide the forecast from periods 4 through
12 (round your responses to two decimal places).
Year
4
7
8
9
10
11
12
Forecast
d) Mean absolute deviation for the forecast developed using the 3-year moving average is 2.76 and for the 3-year weighted moving average is 3.61. Based on this
information, the better forecast is achieved using the weighted moving average approach.
Transcribed Image Text:The following table shows the actual demand observed over the last 11 years: Year 2 3 4 7 8 10 11 Demand 7 10 4 7 13 7 11 14 8 13 7 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. 7 8 10 11 12 Forecast c) Using the 3-year weighted moving average with weights 0.15, 0.25, and 0.60, using 0.60 for the most recent period, provide the forecast from periods 4 through 12 (round your responses to two decimal places). Year 4 7 8 9 10 11 12 Forecast d) Mean absolute deviation for the forecast developed using the 3-year moving average is 2.76 and for the 3-year weighted moving average is 3.61. Based on this information, the better forecast is achieved using the weighted moving average approach.
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