3. Three potential employees took an aptitude test. Each person took a different

Question

3. Three potential employees took an aptitude test. Each person took a different version of the test. The scores are reported below.

Kerri got a score of 80.8; this version has a mean of 62.1 and a standard deviation of 11.

Cade got a score of 286.4; this version has a mean of 271 and a standard deviation of 22.

Vincent got a score of 7.9 this version has a mean of 7.2 and a standard deviation of 0.7.

If the company has only one position to fill and prefers to fill it with the applicant who performed best on the aptitude test, which of the applicants should be offered the job?

Kerri

Cade

Vincent

Explanation / Answer

z score for Kerri = (80.8 - 62.1)/11 = 1.7

z score for Cade = (286.4 - 271)/22 = 0.7

z score for Vincent = (7.9 - 7.2)/0.7 = 1

Since z score for Kerri is highest, Kerri should be offered the job.

Option A is correct.

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