Plot the data on U.S. general aviation shipments. (b) Describe the pattern and discuss possible caus
Question: Plot the data on U.S. general aviation shipments. (b) Describe the pattern and discuss possible causes. (c) Would a fitted trend be helpful? Explain. (d) Make a similar graph for 1992–2003 only Would a fitted trend be helpful in making a prediction for 2004? (e) Fit a trend model of your choice to the 1992–2003 data. (f) Make a forecast for 2004, using either the fitted trend model or a judgment forecast. Why is it best to ignore earlier years in this data set? Airplanes
U.S. Manufactured General Aviation Shipments, 1966–2003 | |
Year | Planes |
1966 | 15,587 |
1967 | 13,484 |
1968 | 13,556 |
1969 | 12,407 |
1970 | 7,277 |
1971 | 7,346 |
1972 | 9,774 |
1973 | 13,646 |
1974 | 14,166 |
1975 | 14,056 |
1976 | 15,451 |
1977 | 16,904 |
1978 | 17,811 |
1979 | 17,048 |
1980 | 11,877 |
1981 | 9,457 |
1982 | 4,266 |
1983 | 2,691 |
1984 | 2,431 |
1985 | 2,029 |
1986 | 1,495 |
1987 | 1,085 |
1988 | 1,143 |
1989 | 1,535 |
1990 | 1,134 |
1991 | 1,021 |
1992 | 856 |
1993 | 870 |
1994 | 881 |
1995 | 1,028 |
1996 | 1,053 |
1997 | 1,482 |
1998 | 2,115 |
1999 | 2,421 |
2000 | 2,714 |
2001 | 2,538 |
2002 | 2,169 |
2003 | 2,090 |
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Answer: The downloadable solution consists of 6 pages
Deliverables: Word Document
Deliverables: Word Document