The Edmunds.com NHTSA Complaints Activity Report is the result of the examination of the frequency, trends and composition of consumer vehicle complaint submissions at the automaker, brand, and category levels (data extracted from edmu.in /Ybmpuz). The table at the right, stored in Automaker1 , contains complaints received by six automakers for January 2013. When the number of complaints are below 300, the complaint rating is considered to be low, when the number of complaints is between 300 and 500, the complaint rating is considered to be medium, and when the number of complaints is above 500, the complaint rating is considered to be high.
Automaker........................... Number of Complaints
American Honda........................................... 169
Chrysler LLC................................................439
Ford Motor Company...................................... 440
General Motors..............................................551
Nissan Motors Corporation.................................467
Toyota Motor Sales..........................................332
a. Construct a gauge for each automaker.
b. Construct a bullet graph for the automakers.
c. Which display is more effective at comparing the number of complaints for each automaker?