Question

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

Answer

This answer is hidden. It contains 42 characters.