Question Help Sales ofVolkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past
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Question:
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Sales ofVolkswagen's popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years(see tablebelow).
Year
Sales
1
455
455
2
502
502
3
520
520
4
566
566
5
580
580
a) Forecasted sales for year 6 using a3-year moving average is
555.3
555.3 sales(round your response to one decimalplace).
b) The MAD for a3-year moving average based forecast is
(round your response to one decimalplace).
c) The MSE for a3-year moving average based forecast is ?
sales (round your response to the nearest wholenumber).
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