A man who moves to a new city sees that there are two routes he could take
Question:
a) Find a 95% confidence interval for the difference in average commuting time for the two routes. (From technology, df = 33.1.)
b) Should the man believe the old-timer's claim that he can save an average of 5 minutes a day by always driving Route A? Explain.
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Related Book For
Stats Data And Models
ISBN: 662
4th Edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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