Question

Refer to Exercise 11.76.
a. Obtain the regression line with the one unusual town removed from the data set.
b. Estimate the expenditure on public safety for a town of 37,000 people. Compare this estimate with an estimate using the complete data set.
c. Compare the estimated slope from the regression fit using the data set with the unusual town removed to the estimated slope from the regression fit using the complete data set? Discuss the impact of an extreme data value on the reliability of the inferences that can be made from the data about the population from which the data were obtained.
In exercise


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  • CreatedNovember 21, 2015
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