SOLUTION: 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 76 and the standar
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Question 1206715: 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 76 and the standard deviation was 12.
40
52
64
76
88
100
112 What is the approximate percentage of students who scored between 76 and 112 on the test? Answer by ikleyn(52866) (Show Source):
112 is three standard deviations up from the mean.
So, according to the Empirical rule, we can expect that about = 49.85% of the students will get the scores between 76 and 112.
The closest number in your list is 52.
