a) Forecast the mileage for next year using a 6-year moving average. b) Find the MAD based on the 6-year moving average forecast in part (a), (Hint: You will have only 3 years of matched data.)

The Carbondale Hospital is considering the purchase of a new ambulance. The decision will rest partly on the anticipated mileage to be driven next year. The miles driven during the past 5 years are as follows: Year 1 2 3 4 5 Mileage 3,000 4,050 3,500 3,850 3,750