quintile
/ˈkwɪntaɪl/
noun
- One of five equal groups that a set of data is divided into, used in statistics.
- The top quintile of students scored above 90 percent on the test.
- Income data is often split into quintiles to show inequality.
- Her salary placed her in the second quintile of earners in the country.
- Any of the five equal parts into which a population or range can be divided.
- The survey divided respondents into quintiles by age.
- Housing prices in the highest quintile have risen the fastest.
- The bottom quintile of the population has the least access to healthcare.