For the 2001-2002 National Basketball Association season, Philadelphia 76ers Allen Iverson was the scoring leader with an average of 31.4 points per game. The following data show the average number of points per game for the scoring leader from the 1991- 1992 season to the 2001-2002 seasons (The World Almanac 2002):
a. Use exponential smoothing to forecast this time series. Consider smoothing constants of a = 0.1 and 0.2. What value of the smoothing constant provides the best forecast?
b. What is the forecast of the leading scoring average for the 2002-2003 season?