5.19 The article No-Can-Do Attitudes Irk Fliers (USA Today, September 15, 2010) included the accompanying data on

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5.19 The article “No-Can-Do Attitudes Irk Fliers” (USA Today, September 15, 2010) included the accompanying data on airline quality score and a ranking based on the number of passenger complaints per 100,000 passengers boarded. In the complaint ranking, a rank of 1 is best, corresponding to fewest complaints.

Similarly, for the J.D. Powers quality score, lower scores correspond to higher quality.

Airline Passenger Complaint Rank J.D. Powers Quality Score Airtran 6 3 Alaska 2 4 American 8 7 Continental 7 6 Delta 12 8 Frontier 5 5 Hawaiian 3 Not rated JetBlue 4 1 Northwest 9 Not rated Southwest 1 2 United 11 9 US Airways 10 10 Two of the airlines were not scored by J.D. Powers.

Use the ranks for the other 10 airlines to fit a least-squares regression line.

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Introduction To Statistics And Data Analysis

ISBN: 9781305445963

5th Edition

Authors: Roxy Peck, Chris Olsen, Jay L Devore

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