The Air Travel Consumer Report, a monthly product of the Department of Transportation's Office of Aviation Enforcement
Question:
Industry Group __________Number of Consumer Complaints
Airlines .............................................................. 922
Travel agents ........................................................ 23
Tour operators ...................................................... 24
Miscellaneous ...................................................... 18
Industry total ...................................................... 987
Source: Data extracted from "The Travel Consumer Report," Office of Aviation Enforcement and Proceedings, January 2013.
a. Construct a Pareto chart for the number of complaints by industry group. What industry group accounts for most of the complaints?
The 922 consumer complaints against airlines fall into one of two groups: complaints against U.S. airlines and complaints against foreign airlines. The following table summarizes these 922 complaints by complaint type:
b. Construct pie charts to display the percentage of complaints by type against U.S. airlines and foreign airlines.
c. Construct a Pareto chart for the complaint categories against U.S. airlines. Does a certain complaint category account for most of the complaints?
d. Construct a Pareto chart for the complaint categories against foreign airlines. Does a certain complaint category account for most of the complaints?
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Related Book For
Basic Business Statistics
ISBN: 9780321870025
13th Edition
Authors: Mark L. Berenson, David M. Levine, Kathryn A. Szabat
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