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The success of an airline depends heavily on its ability to provide a pleasant customer experience. One dimension of customer service on which airlines compete
The success of an airline depends heavily on its ability to provide a pleasant customer experience. One dimension of customer service on which airlines compete is on-time arrival. The tables below contains a sample of data from delayed fights snowing the number of minutes each delayed flight was late for two different airlines, Company A and Companyr E. Company A Companyr B 34 59 43 3o 3 45 s4 43 34 56 32 42 85 30 48 1-35 44 2? 39 85 110 50 10 26 70 T5 44 34 49 53 52 83 T8 27 7O 4]. 34 34 54 54 2? 90 38 52 76 {b} What is the sample mean number of minutes late for delayed flights for each of these two airlines? (c) Calculate the test statistic. [Round your answer to three decimal places.) : What is the pyalue? (Round your answer to four decimal places.) Using a 4105 level of signicance, what is your conclusion? LI- Do not Reject H0. There is statistical evidence that one airline does better than the other in terms of their population mean delay time. LI- Do not reject HO. There is no statistical evidence that one airline does better than the other in terms of their population mean delay time. '3:- Reject HG. There is statistical evidence that one airline does better than the other in terms of their population mean delay time. 1- Reject HG. There is no statistical evidence that one airline does better than the other in terms of their population mean delay time
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