What is the mean absolute deviation of the following forecasts?
Month Actual Sales Forecast
Jan. 614 600
Feb. 480 480
Mar. 500 550
Apr. 500 600
a) 3174
b) 164
c) 41
d) 136
e) -34
Answer: c) 41
What is the mean absolute deviation of the following forecasts?
Month Actual Sales Forecast
Jan. 614 600
Feb. 480 480
Mar. 500 550
Apr. 500 600
a) 3174
b) 164
c) 41
d) 136
e) -34
Answer: c) 41