Plot the data and describe the pattern.
See the attached excel spreadsheet.© BrainMass Inc. brainmass.com October 16, 2018, 9:34 pm ad1c9bdddf
Solution, complete with graphs as required.
Trend Analysis for U. S. General Aviation Shipments
(a) 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
Worksheet attached with further details and second problem (see attachment).View Full Posting Details