quantile

noun
UK /ˈkwɒntaɪl/
US /ˈkwɑːntaɪl/

A quantile is a point that splits a group of numbers into equal parts.

The teacher used a quantile to divide the test scores into four equal groups.


OTHER MEANINGS

2. In statistics, any of the values that divide a frequency distribution into equal-sized intervals.

The 90th quantile of the income data shows the level below which 90 percent of earners fall.

3. A value in a data set below which a given proportion of observations lies.

The 0.5 quantile is the median of the distribution.

4. A general term covering quartiles, deciles, and percentiles used in data analysis.

Analysts compared the quantiles of the two datasets to see how their spreads differed.