Multiple Choice
Suppose that the last four months of sales were 8, 10, 15, and 9 units, respectively. Suppose further that the last four forecasts were 5, 6, 11, and 12 units, respectively. What is the Mean Absolute Deviation (MAD) of these forecasts?
A) 2
B) -10
C) 3.5
D) 9
E) 10.5
Correct Answer:

Verified
Correct Answer:
Verified
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