January February March April May June February March April May June ACTUAL FORECAST 85 100 96 a. Calculate forecasts for the remaining five months using simple exponential smoothing with a = 0.4. MAD 103 82 66 90 Forecasts 91 93 97 91 81 b. Calculate the MAD for all the forecasts, including January's. (Round your answer to 1 decimal place.)
January February March April May June February March April May June ACTUAL FORECAST 85 100 96 a. Calculate forecasts for the remaining five months using simple exponential smoothing with a = 0.4. MAD 103 82 66 90 Forecasts 91 93 97 91 81 b. Calculate the MAD for all the forecasts, including January's. (Round your answer to 1 decimal place.)
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question

Transcribed Image Text:January
February
March
April
May
June
a. Calculate forecasts for the remaining five months using simple exponential smoothing with a = 0.4.
February
March
April
May
June
ACTUAL FORECAST
100
85
96
103
82
66
90
MAD
Forecasts
91
93
97
91
81
b. Calculate the MAD for all the forecasts, including January's. (Round your answer to 1 decimal place.)
Expert Solution
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FORMULAS USED
Given that, = 0.4
Ft = Ft-1 + * (At-1-Dt-1)
Absolute error = | Actual - Forecast |
MAD =
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