quantile
/ˈkwɒntaɪl, ˈkʌn-/Definitions
1. noun
A point in a statistical distribution that marks the boundary between two segments of the population, typically dividing the population into equal parts, such as the 25th percentile.
“The 75th quantile of the exam scores showed a significant improvement in the students’ performance.”
2. noun
A value in a data set that represents a particular percentage of the data, such as the 90th quantile.
“The 90th quantile of the company’s revenue was a record-breaking $100 million.”