The Carbondale Hospital is considering the purchase of a new ambulance. The decision will rest 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:

a$)$ Using a $2-$year moving average, the forecast for year $6=3,800$ miles $($round your response to the nearest whole number$).$

b$)$ If a $2-$year moving average is used to make the forecast, the MAD based on this $=$ miles $($round your response to one decimal place$).($Hint: You will have only $3$ years of matched data.$)$partly on the

anticipated mileage to be driven next year. The miles driven during the past $5$ years are as follows:

a$)$ Using a $2-$year moving average, the forecast for year $6=$ miles $($round your response to the nearest

whole number$).$