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Exhibit 19.3 Use the information below to answer the questions.
A major car manufacturer was interested in whether its midsize car was selling consistently in two markets with respect to the annual income of the car purchasers.500 new car buyers in Chicago and Miami were surveyed.In Chicago the following pattern was observed: Among those surveyed in Miami,20 earned under $20,000;70 earned between $20,000 and $30,000;265 earned between $30,000 and $40,000;125 earned between $40,000 and $50,000;and 20 earned more than $50,000.
Refer to Exhibit 19.3.The chi-square test was used to check whether Miami sales among income groups were consistent with Chicago's.The appropriate degrees of freedom for the chi-square test would be
Point System
A quantitative job evaluation procedure that determines the relative value of a job by the total points assigned to it
Work Evaluation
The process of assessing the performance of employees or tasks, typically to inform decisions about promotions, salaries, or training needs.
Water Catchment
An area of land where precipitation collects and drains off into a common outlet, such as a river, bay, or other body of water.
Wage Surveys
Studies conducted to gather and analyze data on the wages paid across different jobs, industries, and geographical areas.
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