名詞 quartile:

1. (statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores

quar.tile

n.Statistics （名詞）【統(tǒng)計(jì)學(xué)】
The value of the boundary at the 25th, 50th, or 75th percentiles of a frequency distribution divided into four parts, each containing a quarter of the population.
四分位值：在被分成四部分頻數(shù)分布中位于25，50或75點(diǎn)的邊界值，每部分包含四分之一人口

來源：
Middle English [ninety degrees apart (of the relative position of two celestial bodies)]
中古英語 [（兩個天體的相對位置）分開成九十度]
from Old French quartil
源自 古法語 quartil
from Medieval Latin qu3rtolis [of a quartile]
源自 中世紀(jì)拉丁語 qu3rtolis [四分位（值）點(diǎn)的]
from Latin qu3rtus [fourth] * see quart
源自 拉丁語 qu3rtus [第四] *參見 quart