An incoming MBA student took placement exams in economics and mathematics. In economics, she scored 82 and in math 87. Theoverall results on the economics exam had a mean of 75 and a standard deviation of 6, while the mean math score was 65, with astandard deviation of 11. On which exam did she do better compared with the other students?Since she scoredstandard deviationsthe mean in economics andstandard deviationsthe meanin mathematics, she did better on theexam.(Round to two decimal places as needed.)

Answered: Image /qna-images/answer/285dcd0d-869b-4a42-bb69-21b78225dee2.jpg

Answered: An incoming MBA student took placement…

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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