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Salesof Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5years (seetable below). Year Sales 1 455 2 502 3

Salesof Volkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5years (seetable below).

Year Sales

1 455

2 502

3 516

4 563

5 584

a) Forecasted sales for year 6 usinga 3-year moving average is____ sales

b) The MAD fora 3-year moving average based forecast is _____sales

c) The MSE fora 3-year moving average based forecast is_____ sales

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