"Thirty seniors at Council High School were randomly selected and are asked to report age (in years) and mileage of their primary vehicles. Here are the data that were collected:
R denotes an observation with a large standardized residual
X denotes an observation whose X value gives it large influence.
(a) Describe the relationship between vehicle age and mileage. Include a comment on the strength of association.
(b) Determine the slope of the least-square line. Interpret the slope in the context of this problem.
(c) Determine the intercept of the least-square line. Interpret the intercept in the context of this problem.
(d) Minitab reports that R-sq = 77.0% for these data. Write a sentence that explains the significance of this number
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Details
- Publication Date
- Feb 7, 2013
- Language
- English
- Category
- Education & Language
- Copyright
- All Rights Reserved - Standard Copyright License
- Contributors
- By (author): Homework Help Classof1
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- Format