30. Jacob Lee is a frequent traveler between Los Angeles and San Diego. For the past month, he wrote down the flight times in minutes 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
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Goust
Jet Red
Cloudtran
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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 airlines.
b. Develop a 95 percent confidence interval for the difference in the means between Goust and Cloudtran.
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