jasonoliva13
10.06.2020 •
Business
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 this forecasting period?
A. 2
B. -10
C. 5.5
D. 9
E. 10.5
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Ответ:
-25.5
Explanation:
First, we find the Mean
= 5+6+11+12=34
Absolute mean value= (5-34) + (6-34) + (11-34) + (12-34) = -102/4=-25.5
Ответ: