Janai and Aaliyah began arguing about who did better on their tests, but they couldn'tdecide who did better given that they took different tests. Janai took a test in Math andearned a 76.5, and Aaliyah took a test in Social Studies and earned a 70.2. Use the fact thatall the students' test grades in the Math class had a mean of 74.7 and a standard deviationof 11.6, and all the students' test grades in Social Studies had a mean of 61 and a standarddeviation of 10.8 to answer the following questions.a) Calculate the z-score for Janai's test grade.2=b) Calculate the z-score for Aaliyah's test grade.2=[Round your answer to two decimal places.]JanaiAaliyahThey did equally well.c) Which person did relatively better?[Round your answer to two decimal places.]Submit QuestionQuestion Help: Message instructor

GivenJanai earned in Math is 76.5 Aaliyah earned in social studies = 70.2For…

Answered: Janai and Aaliyah began arguing about…

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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Erik and Juan began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Erik took a test in Social Studies and earned a 72.8, and Juan took a test in Science and earned a 66.9. Use the fact that all the students' test grades in the Social Studies class had a mean of 72.2 and a standard deviation of 11.1, and all the students' test grades in Science had a mean of 64.2 and a standard deviation of 11 to answer the following questions.a) Calculate the z-score for Erik's test grade.z=z= [Round your answer to two decimal places.]b) Calculate the z-score for Juan's test grade.z=z= [Round your answer to two decimal places.]c) Which person did relatively better? Erik Juan They did equally well.
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Lucas and Alex began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Lucas took a test in Math and earned a 73.4, and Alex took a test in English and earned a 70.5. Use the fact that all the students' test grades in the Math class had a mean of 74.1 and a standard deviation of 11.3, and all the students' test grades in English had a mean of 60.9 and a standard deviation of 8.1 to answer the following questions.a) Calculate the z-score for Lucas's test grade.z=z=b) Calculate the z-score for Alex's test grade.z=z=
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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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