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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 140, while the mean
The graph illustrates the distribution of test scores taken by College Algebra students. The maximum possible score on the test was 140, while the mean score was 78 and the standard deviation was 15. 3 3 4 8 63 78 93 1 08 123 Distribution of T est Scores q Use the "E_mpirical Rule", not a calculator or other technology. Do not round your answers. What is the approximate percentage students who scored between 63 and 93 on the test? :96 What is the approximate percentage of students who scored between 63 and 78? l:]% What is the approximate percentage of students who scored less than 48 on the test? a I What is the approximate percentage of students who scored between 48 and 108 on the test? l:]%
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