Answer
A percentile (or a centile) is a measure used in statistics indicating the value below which a given percentage of observations in a group of observations fall. For example, the 20th percentile is the value (or score) below which 20% of the observations may be found.
Work Step by Step
The concept of percentile is used to check how many values in the data set fall within a certain range. The percentile is described as the k percent of the observations are less than or equal to that value. For example, 75% of the students completed their homework. So, the students would be 75th percentile.
