Consider the demand for trading cards listed below.
Year Demand
2011 50,000
2012 40,000
2013 54,000
2014 62,000
2015 86,000
A. Develop 3 year moving average forecasts for 2013, 2014, and 2015.
B. Develop exponential smoothing forecasts for 2012 through 2016 with a smoothing constant of .3. To initialize the process, you may assume that the forecast for 2011 was 50,000.
C. Calculate the MAD for your moving average forecasts and exponential smoothing forecasts covering 2014 through 2015 from part a
D. Calculate the MAPE for your exponential smoothing forecasts covering 2014 through 2015 from part b.