Question

Commuting Times Mark Bates, a statistics professor at Oxnard College, recorded his commuting times using three different routes from home to work. The routes are named for the streets on which he travelled, and the times are in seconds.
a. For the boxplots given, compare the medians, interquartile ranges, and shapes, and mention any potential outliers.
b. Assuming that the overall significance level is 0.05, what is the Bonferroni-corrected level of significance for each pair of comparisons?
c. Carry out t-tests to compare the means of all pairs, and summarize your findings by reporting t-statistics, p-values, and conclusions. Assume that the conditions for using two-sample t-tests are met.


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  • CreatedJuly 16, 2015
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