Construct a contingency table of automobile origin versus overall mechanical quality rating. Set up rows corresponding to the United States, the Pacific Rim (Japan/Korea), and Europe (Germany/Italy/Great Britain/Sweden), and set up columns corresponding to the ratings €œamong the best€ through €œthe rest.€ Describe any apparent relationship between origin and overall mechanical quality rating.

Based on the data in Table 2.23 (see page 100). This table gives the results of the J.D. Power initial quality study of 2014 automobiles. Each model is rated on overall mechanical quality and overall design quality on a scale from €œamong the best€ to €œthe rest€ (see the Scoring Legend).

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Results of the J.D. Power Initial Quality Study of 2014 Automobiles (for Exercises 2.70–2.77) OS JDPower TABLE 2.23 Country of Company Origin Overall Quality Overall Quality| Mechanical Country of Overall Quality Overall Quality Origin Mechanical Design Company Lexus Design Acura Japan Japan Audi Lincoln United States Germany Mazda BMW Germany Japan Buick United States Mercedes-Benz Germany Cadillac United States Great Britain MINI Chevrolet United States Mitsubishi Japan Chrysler Dodge United States Japan Nissan United States Porsche Germany Italy Fiat Ram United States Ford United States Scion Japan United States Subaru GMC Japan Toyota Volkswagen Honda Japan Japan Hyundai Korea Germany Infiniti Japan Volvo Sweden Scoring Legend Great Britain Jaguar Among the best About average United States Jeep The rest Kia Better than most Korea Land Rover Great Britain