Question: Referring to the data in 12. .2: a. Construct the 95% confidence interval for the mean commute time for Atlanta and Boston. b. Based on
a. Construct the 95% confidence interval for the mean commute time for Atlanta and Boston.
b. Based on the confidence intervals found in part a, does it appear that the mean commute time is the same or different for these two cities? Explain.
c. Construct the 95% confidence interval for the mean commute time for Dallas.
d. Based on the confidence intervals found above, does it appear that the mean commute time is the same or different for Boston and Dallas? Explain.
e. Based on the confidence intervals found above, does it appear that the mean commute time is the same or different for the set of three cities Atlanta, Boston, and Dallas? Explain.
f. How do your confidence intervals compare to the intervals given for Atlanta, Boston, and Dallas in “The Morning Rush” on page 578?
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a Atlanta 1652 to 3281 Boston 2416 to 4184 b Means appear different b... View full answer
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