Trend analysis for U. S. General Aviation shipments
Not what you're looking for?
14.16
(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).
Purchase this Solution
Solution Summary
This posting contains the solution to the following trend projection problem of U.S. Aviation shipments. It involves plotting the data and approximating trend equation, forecasting for next period based on the equation and the interpretation of R-square (see attachment, includes graph).
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.