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 (kwôr′tīl′, -tĭl)
n. Statistics
1. Any of the groups that result when a frequency distribution is divided into four groups of equal size.
2. Any of the values that separate each of these groups.

[Middle English, 90 degrees apart (of the relative position of two celestial bodies), from Old French quartil, from Medieval Latin quārtīlis, of a quartile, from Latin quārtus, fourth; see quart.]


1. (Statistics) statistics one of three actual or notional values of a variable dividing its distribution into four groups with equal frequencies
2. a quarter part of a distribution
3. (Statistics) statistics denoting or relating to a quartile
4. (Astrology) astrology denoting an aspect of two heavenly bodies when their longitudes differ by 90°
[C16: from Medieval Latin quartīlis, from Latin quartus fourth]


(ˈkwɔr taɪl, -tɪl)

(in a frequency distribution) one of the values of a variable that divides the distribution of the variable into four groups having equal frequencies.
[1875–80; « Latin quārt(us)]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.quartile - (statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores
mark, score, grade - a number or letter indicating quality (especially of a student's performance); "she made good marks in algebra"; "grade A milk"; "what was your score on your homework?"
statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters


[ˈkwɔːtaɪl] Ncuartil m


[ˈkwɔːtaɪl] nquartile m
References in periodicals archive ?
The poor upkeep of the building led to lower resale values, and over time (measured over a decade and above), the predominant distinguishing factor between upper and lower quartile resale values was not views or locations, but rather the role of owners associations.
It said: "Professor Cryan's salary was frozen, at his own request, for a four-year period before 2010-11 because of the conditions in the economy and was in the lower quartile for pay in the sector at the beginning of that period.
What was interesting was that whether the parents were in the upper or lower quartile of anxiety didn't impact HPV initiation at all.
nz shows that the lower quartile selling price in Auckland, the average for the lowest end of the market, has just hit $695,600.
The average house price is consistently in the lower quartile across the UK and in addition house prices tend to be more stable.
Looking at the performance comparison of the Welsh authorities, Gwynedd, jointly with another five rural authorities in Wales, is in the lower quartile.
In particular, among those in the quartile with the most positive experiences in round 2, 43 percent were in a lower quartile in round 4.
We found that TG levels in the upper quartile also were associated with a significantly higher risk of preeclampsia, compared with the lower quartile (relative risk, 1.
So I think this is a reflection of the economy, and also a reflection of the particular households that are in that lower quartile of the economy.
Return of other three funds feature in the lower quartile, though given the limited history, actual performance trends are expected to emerge over time.
Asked what the lower quartile states have in common that could be responsible for their bigger gap, Richard Landis, senior director of strategic planning and workforce development at AHP, says, "I think it has to do with how the occupation is viewed, whether people are choosing to go into the occupation in that state, or to stay in that state to work.
Those that engaged in IOCM activities most extensively are in the upper quartile and are considered to have a strong IOCM capability, while companies that engaged in IOCM activities least extensively are in the lower quartile and have a weak IOCM capability.

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