The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 130, while the mean score was 78 and the standard deviation was 12. 42 54 66 78 90 Distribution of Test Scores What is the approximate percentage of students who scored less than 54 on the test? % What is the approximate percentage students who scored between 66 and 90 on the test? % 102 114 What is the approximate percentage of students who scored between 54 and 102 on the test? % What is the approximate percentage of students who scored between 42 and 78 on the test? %

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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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 130, while the mean
score was 78 and the standard deviation was 12.
42
54
66
78
90
Distribution of Test Scores
What is the approximate percentage of students who scored less than 54 on
the test?
%
What is the approximate percentage students who scored between 66 and 90
on the test?
%
102 114
What is the approximate percentage of students who scored between 54 and
102 on the test?
%
What is the approximate percentage of students who scored between 42 and
78 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 130, while the mean score was 78 and the standard deviation was 12. 42 54 66 78 90 Distribution of Test Scores What is the approximate percentage of students who scored less than 54 on the test? % What is the approximate percentage students who scored between 66 and 90 on the test? % 102 114 What is the approximate percentage of students who scored between 54 and 102 on the test? % What is the approximate percentage of students who scored between 42 and 78 on the test? %
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