The chart shows the number of job-related injuries for each of the transportation industries for 1998.

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

The chart shows the number of job-related injuries for each of the transportation industries for 1998. Industry Number of injuries Railroad 4520 Intercity bus 5100 Subway 6850 Trucking 7144 Airline 9950

1. What are the variables under study?

2. Categorize each variable as quantitative or qualitative. 3. Categorize each quantitative variable as discrete or continuous.

4. Identify the level of measurement for each variable.

5. The railroad is shown as the safest transportation industry. Does that mean railroads have fewer accidents than the other industries? Explain.

6. What factors other than safety influence a person’s choice of transportation?

7. From the information given, comment on the relationship between the Variable

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