Statement of a problem № m593


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:  a. Use the .05 significance level and the six-step hypothesis-testing process to check if there is a difference in the mean flight times among the three airlines. b. Develop a 95% confidence interval for the difference in the means between Goust andCloudtran.

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