Fit both linear and an exponential trend to the data. d, Ask an Expert

Statistics

Choose one time-series describing Spirit Airlines and make a line chart. (b) Describe the trend (if any) and discuss possible causes. (c ) Fit both linear and an exponential trend to the data. (d) Which model is preferred? Why? (e) Make a forecast for 2003, using a trend model of your choice (or judgments forecast).

Year Revenue (mil) Aircraft FT Employees
1998 131 14 860
1999 227 20 1440
2000 311 24 1729
2001 354 27 2094
2002 403 28 2345

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Category:- Statistics and Probability
Reference No.:- M9431968

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