11.49 The Cost of Flying In an attempt to determine what factors affect airfares, a researcher recorded a weighted average of the costs per kilometre for two airports in each of three major U.S. cities for each of four different travel distances. The results are shown in the table.

Use the MINITAB output to analyze the experiment with the appropriate method. Identify the two factors, and investi- gate any possible effect due to their interaction or the main effects. What are the practical implications of this experi- ment? Explain your conclusions in the form of a report.

Transcribed Image Text:

City Distance New York Houston Chicago <480 km 40,48 20,26 19,40 481-1200 km 19.26 15,17 14,24 1201-2400 km 10, 14 10,13 9,15 > 2400 km 9,10 8,11 7,12 Source: "How Fares Differ by Airport and Airline," Copyright 1997, Consumers Union of U.S., Inc. Yonkers, NY 10703-1057, a nonprofit organization. Reprinted with permission from the July 1997, of Consumer Reports for educational purposes only. www.ConsumerReports.org.