What is the mean absolute deviation of the following forecasts?
Month Actual Sales Forecast
January68 60
February 48 50
March 50 60
April 30 30
a) -1
b) 5
c) 20
d) 1
e) 42
Answer: b) 5
What is the mean absolute deviation of the following forecasts?
Month Actual Sales Forecast
January68 60
February 48 50
March 50 60
April 30 30
a) -1
b) 5
c) 20
d) 1
e) 42
Answer: b) 5