Sales of tablet computers at Ted Glickman's electronic store in Washinton D.C over the past 10 weeks are shown in the table below"
Week Demand Week Demand
1 20 6 29
2 21 7 36
3 28 8 22
4 37 9 25
5 25 10 28
A) Forecast demand for each week including week 10, using exponential smoothing with a=.5 (initial forecast=20)
B) Compute the MAD
C) Compute the tracking signal