
Chapter 16
704
5. The following table provides the number of units produced
by a calculator manufacturer in different years.
Year Production (in thousand units)
1996 200
1997 220
1998 250
1999 210
2000 270
2001 280
2002 290
2003 260
2004 250
2005 295
2006 300
2007 310
Use exponential smoothing method with
α
= 0.3;
α
= 0.5,
and
α
= 0.7 to forecast the production of calculators.
6. Use exponential smoothing method with
α
= 0.2;
α
= 0.5,
and
α
= 0.8 to forecast the sales of a company. The sales
values for 14 years are given in the table below:
Year Sales (in thousand rupees)
1994 240
1995 250
1996 260
1997 245
1998 240
1999 270
2000 280
2001 265
2002 290
2003