Three potential employees took an aptitude test. Each person took a different version of the test. The scores are reported below.Pierce got a score of 71.5; this version has a mean of 62.5 and a standard deviation of 15.Vincent got a score of 309.2; this version has a mean of 294 and a standard deviation of 19.Norma got a score of 7.96; this version has a mean of 7.2 and a standard deviation of 0.4.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 ofapplicants should be offered the job?

From the provided information, Pierce got a score of 71.5 with mean (µ) = 62.5 and standard…

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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Test scores for a history class had a mean of 69 with a standard deviation of 4.5. Test scores for a physics class had a mean of 79 with a standard deviation of 3.5. Suppose a student gets a 75 on the history test and 83 on the physics test. Calculate the z- score for each test. On which test did the student perform better? A. B. C. D. History exam; history z-score is 1.33; physics z-score is 1.14 Physics exam; history z-score is 1.33; physics z-score is 1.14 History exam; history z-score is -1.33; physics z-score is -1.14 Physics exam; history z-score is -1.33; physics z-score is -1.14
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In the Social Psychology course, you receive a score of 77 on the second exam. You are told that the standard deviation of the second exam is 8 and that your score is .75 standard deviations below the mean. a. What is the class mean of the second exam? b. Your friend scored a 70 on the second exam. How many standard deviations below the mean is your friend’s score?
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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