Determining the percentile rank
The following frequency distribution presents a set of exam scores for a class of N = 20 students. What is the percentile rank for X = 90?
x f cf c%
90-99 4 20 100
80-89 7 16 80
70-79 4 9 45
60-69 3 5 25
50-59 2 2 10
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Recommended (96%)
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