What is the sum and mean of error and absolute error, see figure below.
What is the sum and mean of error and absolute error, see figure below.
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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Transcribed Image Text:Investigate the forecast accuracy at a car company, What is the sum and mean of error and absolute error, see figure below.
Week
Demand
Forecast
1
70
100
90
90
3
100
90
4
110
100
5
110
100
6.
90
100
7
100
100
8
110
100
9
80
100
10
120
100
The sum error is
type your answer.
and the mean error is type your answer.
The sum absolute error is
type your answer.
and the mean absolute error is type your answer..
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