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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
Problem 1P
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The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 120, while the mean score was 75 and the standard deviation was 10. 45 55 65 75 85 95 Distribution of Test Scores What is the approximate percentage of students who scored lower than 45 on the test? What is the approximate percentage students who scored between 65 and 85 on the test? What is the approximate percentage of students who scored between 75 and 85 on the test? What is the approximate percentage of students who scored higher than 95 on the test?
Transcribed Image Text:The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 120, while the mean score was 75 and the standard deviation was 10. 45 55 65 75 85 95 Distribution of Test Scores What is the approximate percentage of students who scored lower than 45 on the test? What is the approximate percentage students who scored between 65 and 85 on the test? What is the approximate percentage of students who scored between 75 and 85 on the test? What is the approximate percentage of students who scored higher than 95 on the test?
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