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10. Mary had exams in Statistics and Intro to Social Welfare. On the Statistics exam, µ = 30 and o = 5. Mary's score was X=45. On the Intro to Social Welfare exam, µ = 60 and o = 8, and Mary scored X=68. In which class did Mary get a better grade? %3D %3D

10. Mary had exams in Statistics and Intro to Social Welfare. On the Statistics exam, µ = 30 and o = 5. Mary's score was X=45. On the Intro to Social Welfare exam, µ = 60 and o = 8, and Mary scored X=68. In which class did Mary get a better grade? %3D %3D

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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**Question 10:** Mary had exams in Statistics and Intro to Social Welfare. On the Statistics exam, the mean (μ) is 30 and the standard deviation (σ) is 5. Mary's score was X = 45. On the Intro to Social Welfare exam, the mean (μ) is 60 and the standard deviation (σ) is 8, and Mary scored X = 68. In which class did Mary get a better grade? **Note:** This question involves comparing Mary's scores to the class averages using the concept of standard deviation to determine in which class she performed better relative to her peers.
Transcribed Image Text:**Question 10:** Mary had exams in Statistics and Intro to Social Welfare. On the Statistics exam, the mean (μ) is 30 and the standard deviation (σ) is 5. Mary's score was X = 45. On the Intro to Social Welfare exam, the mean (μ) is 60 and the standard deviation (σ) is 8, and Mary scored X = 68. In which class did Mary get a better grade? **Note:** This question involves comparing Mary's scores to the class averages using the concept of standard deviation to determine in which class she performed better relative to her peers.
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