Refer to Exercise 12.12. Fit a second- order regression model to the data. a. Was there an
Question:
a. Was there an improvement in the fit of the model compared to the first- order model?
b. Test the hypothesis that distance to the hub airport is a significant predictor of revenue at the α = .05 level.
c. Test the hypothesis that population size is a significant predictor of revenue at the α = .05 level.
In exercise
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Related Book For
An Introduction To Statistical Methods And Data Analysis
ISBN: 9781305465527
7th Edition
Authors: R. Lyman Ott, Micheal T. Longnecker
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