The percentile rank of a data value is the percentage of data values that are less than or equal to that value.
80
Practice makes perfect
Percentiles separate data sets into 100 equal parts. The percentile rank of a data value is the percentage of data values that are less than or equal to that value. Let's find the percentile rank of a score of 7.5. We know that 28 scores out of the 35 total scores are less than or equal to 7.5.
28/35 = 0.8 = 80 %
The percentile rank of a score of 7.5 is 80.
