Given forecast errors of 4, 8, and −3, what is the mean absolute deviation?
A) 3
B) 4
C) 5
D) 6
E) 9

Name: Given forecast errors of 4, 8, and −3, what is the mean absolute deviation? A) 3 B) 4 C) 5 D) 6 E) 9
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Question

Quizplus · Accepted Answer

1. Find the absolute deviations: |4| = 4, |8| = 8, |-3| = 3
2. Add the absolute deviations: 4 + 8 + 3 = 15
3. Divide the sum of absolute deviations by the number of observations: 15/3 = 5

Given Forecast Errors of 4, 8, and −3, What Is