quartile

About 0.42 uses per million words.

Meaning

1. noun Any of the three points that divide an ordered distribution into four parts, each containing a quarter of the population.
2. noun Any one of the four groups so divided.

   This school is ranked in the first quartile.

3. verb To divide into quartiles.

Similar words

percentile quarter class strata stratum median quintile lower quartile interquartile tertile

Often followed by

of deviation is and range in median for on

Word family

quartiles