Three potential employees took an aptitude test. Each person took a different version of the test. The scores are reported below.Tera got a score of 79.7; this version has a mean of 66.2 and a standard deviation of 9.Norma got a score of 258; this version has a mean of 244 and a standard deviation of 28.Kerri got a score of 8.71; this version has a mean of 7 and a standard deviation of 0.9.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 applicjob?Answer

Step 1:First determine the z-score for three candidates by using the formula .z=σx−μwhere μ is the…

Answered: Three potential employees took an…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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April and Heather began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. April took a test in Science and earned a 74.4, and Heather took a test in English and earned a 69.7. Use the fact that all the students' test grades in the Science class had a mean of 71.3 and a standard deviation of 8.9, and all the students' test grades in English had a mean of 60.5 and a standard deviation of 8.5 to answer the following questions. a) Calculate the z-score for April's test grade. b) Calculate the z-score for Heather's test grade. c) Which person did relatively better? April Heather O They did equally well. Submit Question logi $22 *3 F4 F8 7. 8. %4
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There are two major tests of readiness for college, the ACT and the SAT. ACT scores are reported on a scale from 1 to 36. The distribution of ACT scores is approximately Normal, with mean of 21.9 and standard deviation of 5.8. SAT scores are reported on a scale from 400 to 1600. The distribution of SAT scores is approximately Normal, with mean of 1,059 and standard deviation of 203. What ACT scores make up the top 10% of all the scores? Round to the nearest whole number.

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