What is the Mean Absolute Error?  What is the Mean Squared Error? What is the Mean Absolute Percentage Error?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Below is the data for the demand of bottled water for the year. Complete the table using a 3-month moving average forecasting. 

What is the Mean Absolute Error? 
What is the Mean Squared Error?
What is the Mean Absolute Percentage Error? 
Month Demand Forecast
1
17
2
21
3
19
4
23
5
18
6
16
7
20
8
18
9
22
10
20
11
15
12
22
Transcribed Image Text:Month Demand Forecast 1 17 2 21 3 19 4 23 5 18 6 16 7 20 8 18 9 22 10 20 11 15 12 22
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