Question

The Edmunds. com NHTSA Complaints Activity Report contains consumer vehicle complaint submissions by automaker, brand, and category ( data extracted from edmu. in/ Ybmpuz). The following table, stored in Automaker1, represents complaints received by automaker for January 2013.
Automaker Number
American Honda.......... 169
Chrysler LLC........................ 439
Ford Motor Company ........440
General Motors.......... 551
Nissan Motors Corporation ......467
Toyota Motor Sales .........332
Other.............. 516
a. Compute the percentage of complaints for each automaker.
b. What conclusions can you reach about the complaints for the different automakers?
The following table, stored in Automaker2, represents com-plaints received by category for January 2013.
Category Number
Airbags and seatbelts......... 201
Body and glass............ 182
Brakes.............. 163
Fuel/ emission/ exhaust system..... 240
Interior electronics/ hardware..... 279
Powertrain............. 1,148
Steering.............. 397
Tires and wheels........... 71
c. Compute the percentage of complaints for each category.
d. What conclusions can you reach about the complaints for different categories?


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  • CreatedJuly 16, 2015
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