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City Cycles has just started selling the new XYZ-10 mountain bike

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Question;1. City Cycles has just started selling the new XYZ-10 mountain bike, and below are the monthly sales. Amit wants to forecast by exponential smoothing (setting February's forecast equal to January's sales) with alpha = 0.1Barbara wants to use a 3-period moving average.Sales Amit Barbara Amit error Barbara ErrorJanuary 400February 380 400March 410April 375May1. a) Is there a strong linear trend in sales over time?2. b) Fill in the table with what Amit and Barbara each forecast for May and the earlier months, as relevant.3. c) Assume that May's figure turns out to be 405. Append the table with error columns then calculate MAD for both Amit's and Barbara's method. (16.11 and 19.17)4. d) Based on these calculations, which method seems more accurate?

 

Paper#54086 | Written in 18-Jul-2015

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