1. The gross domestic product (GDP) of the United States from 1993 to 2003 is given in the table below. The numbers are in billions of U.S. dollars. Develop forecasts for the GDP of 2004 using exponential smoothing with smoothing constants of 0.4 and 0.6. Assume the forecast is $6,657 for 1993. Which of these models has the lowest mean absolute deviation?
Year
GDP ($Billions)
1993
6,657
1994
7,072
1995
7,398
1996
7,817
1997
8,304
1998
8,747
1999
9,268
2000
9,817
2001
10,128
2002
10,487
2003
11,004
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??2. Given monthly sales for XYZ company below, develop forecasts for thesales in time period 11using exponential smoothing with smoothing constants of 0.3 and 0.7. Assume the forecast is 67 forperiod1.
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