a Make a line chart for JetBlue s revenue b Describe
(a) Make a line chart for JetBlue's revenue.
(b) Describe the trend (if any) and discuss possible causes.
(c) Fit both a linear and an exponential trend to the data.
(d) Which model is preferred? Why?
(e) Make annual forecasts for 2011­2013, using a trend model of your JetBlue choice (or a judgment forecast).
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