A regional airline transfers passengers from small airports to a larger regional hub airport. The airlines data
Question:
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a. Produce three scatterplots: revenue versus distance, revenue versus population, and distance versus population.
b. For the 22 airports, is there a strong correlation between airport distance from the regional hub and city population?
c. Does there appear to a problem with high leverage points? Justify your answer.
d. Fit a first- order regression model relating revenue to distance and population size. Comment on the quality of the fit of the model to the data.
e. Do the two estimated slopes appear to have the appropriate sign? If not, explain why.
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a The matrix plot is shown below b The correlations are shown below The only signific...View the full answer
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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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