Question: A forecasting method has produced the following over the past five months. What is the mean absolute deviation? Actual Forecast 10 12 8 10 10

A forecasting method has produced the following over the past five months. What is the mean absolute deviation?

Actual

Forecast

10

12

8

10

10

8

6

6

9

8
A.

1.2
B.

0.0
C.

-0.2
D.

1.4
E.

-1.0

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