1. Three popular measures of forecast accuracy are: a) total error, average error, and mean error. b) average error, median error, and maximum error. c) median error, minimum error, and maximum...

1. Three popular measures of forecast accuracy are:

a) total error, average error, and mean error.

b) average error, median error, and maximum error.

c) median error, minimum error, and maximum absolute error.

d) mean absolute deviation, mean squared error, and mean absolute percent error.

2. Average demand for iPods in the Rome, Italy, Apple store is 800 units per month. The May monthly index is 1.25. What is the seasonally adjusted sales forecast for May?

a) 640 units

b) 798.75 units

c) 800 units

d) 1,000 units

e) cannot be calculated with the information given