Question

three potential employees took an aptitude test. each person took a different version of the test. the scores are reported below. kaitlyn got a score of 74.5 ; this version has a mean of 68.5 and a standard deviation of 12 . kiersten got a score of 244.8 ; this version has a mean of 210 and a standard deviation of 29 . rebecca got a score of 7.24 ; this version has a mean of 6.7 and a standard deviation of 0.3 . 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?

Answer 1

Explanation:

kaitlyn score is 6 points above the mean

z-score = 6 / 12 = .5

kiersten score is 34.8 above the mean z-score = 34.8/29 = 1.2

rebecca score is .54 above the mean z -score = .54/ .3 = 1.8

rebecca scored the highest percentile (highes z-score) of the three....the best