The U.S. Department of Transportation tracks and reports a variety of information regarding airlines and airports. It reports the

“percent on-time” frequently. Compare the percent on-time for the 33 major airports in the United States for the 4 months of 2004 and 2005.

At the 0.05 level of significance, test the claim there is no correlation between the 2004 and 2005 percent on-time at these airports.

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Ranking of Major Airport On-Time Departure Performance Year-to-date through April 2005 (Percent On-Time) January 1- January 1- Rank April 30, 2004 % Rank April 30, 2005 % 1 Houston, TX (IAH) 89.49 1 Houston, TX (IAH) 86.77 2 Washington Reagan 88.69 2 Portland, OR (PDX) 84.43 National, DC (DCA) ... Remainder of data on Student's Suite CD-ROM Source: U.S. Bureau of Transportation Statistics, Airline On-Time Data