(Answered) All applicants to the local police academy are given an

Statistics

All applicants to the local police academy are given an aptitude test, but the test has never been evaluated to see if test scores are in any way related to job performance. The following table reports aptitude test scores and job performance ratings for a sample of 78 policemen.

629_job performance ratings for a sample.png

a. Are these two variables associated? Describe the strength and direction of the relationship in a sentence or two.

b. Should the aptitude test continue to be administered? Why or why not?

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