Given forecast errors of -1, 4, 4, and -3, what is the mean absolute deviation?
A) 1
B) 3
C) 4
D) 8
E) 12

Name: Given forecast errors of -1, 4, 4, and -3, what is the mean absolute deviation? A) 1 B) 3 C) 4 D) 8 E) 12
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Question

Quizplus · Accepted Answer

1. Find the absolute values of each forecast error: 1, 4, 4, 3
2. Find the mean of these absolute values: (1+4+4+3)/4 = 3
3. Therefore, the mean absolute deviation is 3. Choice B is correct.

Given Forecast Errors of -1, 4, 4, and -3, What