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The Last Four Months of Sales Were 8, 10, 15

Question 13

Multiple Choice

The last four months of sales were 8, 10, 15, and 9 units. The last four forecasts were 5, 6, 11, and 12 units. The Mean Absolute Deviation (MAD) is

A) 2
B) -10
C) 3.5
D) 9
E) 10.5

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