Mathematics, 26.01.2021 01:00, nxxjx
The graph shows the scores of an exam. The mean is 84. The standard deviation is 2.5. About what percent of students scored within one standard deviation of the mean?
Distribution of Exam Scores
20
Percent
10
0
78
80
82
90
86
88
84
Score
68%
75%
32%
45%
Answers: 1
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The graph shows the scores of an exam. The mean is 84. The standard deviation is 2.5. About what per...
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