Of 20 test scores, five are less than or equal to 82. What is the percentile rank of a test score of 82 ?

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Mathematics

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6 November, 11:32

Of 20 test scores, five are less than or equal to 82. What is the percentile rank of a test score of 82 ?

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Answers (1)

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Janiya Palmer · Answer 1

Set up a ratio of number of scores less than or equal to 82 over the total scores compared tot he percentile:

5/20 = P/100

Cross multiply:

20P = 500

Divide both sides by 20:

P = 25

Percentile rank is 25