Lesson 5

Self-Check 5

 

The only measure of central tendency that is directly related to a percentile rank is the median. Think back to the definition of median. Can you predict what percentile rank or score would represent the median? Answer

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You have seen how percentile rank can be used to rank a student's learning in class or the student's rank in height. There are other situations where percentile rank can be used. In the next Try This you will explore how percentile rank can be helpful when hiring an employee.

 

Try This 3

 

The supervisor of a manufacturing shop needs to hire an employee to help with production. The supervisor contacted the résumé references of three potential candidates who have completed their education. The following tables contain information compiled about the skills possessed by each candidate.

 

1. Which person is the best at welding? Why?
2. Which person is the best at machining? Why?
3. Which person is the best at pipe fitting? Why?

Save your responses in your course folder.

 

Share 3

 

With a partner or in a group, discuss Try This 3 and answer these questions.

1. After analyzing the data and the question responses, which person would you hire?
2. What factors would you consider to be important?

Place a summary of your discussion in your course folder.