If the scores of a set of students in a math test are 20 , 30 , 15 and 75 what is the percentile rank of the score 30 ?
Arrange the numbers in ascending order and give the rank ranging from 1 to the lowest to 4 to the highest.
Number 15 20 30
Rank 1 2 3 4
3 = P100 (4)
3 = P2575 = P
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Therefore, the score 30 has the 75 th percentile.
Step-by-step explanation:
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