3. A special type of sunglass has the following demand history by quarters over the past 3 years: 30 2000 Demand 1 25 2

[answerhappygod]

3 A Special Type Of Sunglass Has The Following Demand History By Quarters Over The Past 3 Years 30 2000 Demand 1 25 2 1 (50.66 KiB) Viewed 39 times

3. A special type of sunglass has the following demand history by quarters over the past 3 years: 30 2000 Demand 1 25 2 52 3 154 4. 105 2001 Demand 1 34 2 3 144 4 125 65 AN 2002 Demand 1 2 3 170 4 95 92 a) Determine the seasonal factor for each quarter by the method of centered moving averages. b) Using the results of (a) determine the depersonalized demand series. c) Predict the demand for the first quarter of 2003 for the depersonalized series from the six-quarter moving average. d) Using the results from parts (a) and (c), predict the demand for first quarter of 2003. e) Compare the results obtained in part (a) with seasonal factors obtained by the "quick and dirty method".