The owner of an on-line video rental service has recorded the following rentals each week:

a. Use a 3 week moving average to forecast sales for each of the weeks 4 through 9.
b. Use a 4 week moving average to forecast sales for each of the weeks 5 through 9.
c. Compare the forecasts created by these two methods using mean absolute deviation. Which forecasting method would you recommend?

Transcribed Image Text:

Week 2 4 Rentals 1202 1503 1444 1254 1609 1499 1689 1555