Listed below are the numbers of years it took for a random sample of college students to
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Listed below are the numbers of years it took for a random sample of college students to earn bachelor’s degrees (based on data from the National Center for Education Statistics). Construct a 95% confidence interval estimate of the mean time required for all college students to earn bachelor’s degrees. Does it appear that college students typically earn bachelor’s degrees in four years? Is there anything about the data that would suggest that the confidence interval might not be a good result?
Construct the confidence interval estimate of the mean.
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Related Book For
Mathematical Interest Theory
ISBN: 9781470465681
3rd Edition
Authors: Leslie Jane, James Daniel, Federer Vaaler
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