Question

Jacob Lee is a frequent traveler between Los Angeles and San Francisco. For the past month, he wrote down the flight times on three different airlines. The results are:
Goust: 51,51,52,42,51,57,47,47,50,60,54,49,48,48
Jet Red: 50,53,52,62,53,49,50,49,58,54,51,49,49,50
Cloudtran: 52,55,60,64,61,49,49
a. Use the .05 significance level and the five-step hypothesis-testing process to check if there is a difference in the mean flight times among the three airliners.
b. Develop a 95% confidence interval for the difference in the means between Goust and Cloudtran.



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  • CreatedAugust 05, 2013
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