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Sales of vegetable dehydrators at Bud Baniss discount department store in St. Louis over the past year are shown below.
1.Sales of vegetable dehydrators at Bud Baniss discount department store in St. Louis over the past year are shown below. Management prepared a forecast using a combination of exponential smoothing and its collective judgment for the 4 months (March, April, May, and June of 2010):Month2009-2010 Unit SalesManagements ForecastJuly100August93September96October110November124December119January92February83March101120April 96114May 89110June108108a)Compute MAD and MAPE for managements technique.b)Do managements results outperform (i.e., have smaller MAD and MAPE than) a naive forecast?c)Which forecast do you recommend, based on lower forecast error?
