2. How does this forecast differ from that using the 5-year average?   3. Which forecast would you select and why?

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1. Forecast Laredo International Airport airline enplanements using the data in the in class example. Using a 10-year average market share, develop projections for the years 2005, 2010, 2015 and 2020. Show your answers in a table.

Year

Total Airline Enplanements

Southwest Region Enplanements

Market Share (%)

1990

59,279

60,925,903

0.0973%

1991

65,651

60,467,718

0.1086%

1992

80,593

63,396,932

0.1271%

1993

92,110

64,296,680

0.1433%

1994

97,998

67,434,877

0.1453%

1995

64,198

70,689,841

0.0908%

1996

57,996

72,061,761

0.0805%

1997

61,728

74,341,596

0.0830%

1998

79,714

75,957,918

0.1049%

1999

88,969

77,056,344

0.1155%

2000

90,647

79,833,666

0.1135%

2001

82,400

80,184,741

0.1028%

Ten Year Average

 

 

???

2005 ??? 93,167,307 ???
2010 ??? 110,022,766 ???
2015 ??? 126,843,590 ???
2020 ??? 143,846,242 ???
2025 ??? 160,775,532 ???

2. How does this forecast differ from that using the 5-year average?

 

3. Which forecast would you select and why?

 
 
 
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