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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 ?
With the recent completion of the sulfide plant, the Copler Mine will produce over 3.5 million ounces at first quartile All-in Sustaining Costs, generating robust free cash flow for approximately the next 20 years.
CSB also ranked in the first quartile for savings accounts based on APY net of fees and offers the second highest yield in the nation.
A reputed industry benchmark report has highlighted that Qafac's performance is within the first quartile in the industry.
The common strategy in the mining industry is to look for a process with production costs in the first quartile, or at worst in the second quartile, to survive the inevitable price swings.
41 Chinese journals achieved a position in first quartile Q1, Q2: 63, Q3:57 and 62 journals in Q4.
Nevertheless, its current cash cost remains in the first quartile of the industry and allows the company to generate reasonable levels of cash flow during periods of lower prices.
Of countries with a similar starting level of well-being, Bahrain is in the first quartile of change and amongst the various dimensions, education, infrastructure and governance showed the most change throughout the past ten years," said Tuerpitz.
Average annual production over first ten years of operations expected to be 250 kt copper and 400 koz gold, or 330 kt Copper Equivalent Production1, with a mine life of approximately 25 years, first quartile operating costs and higher grades in the first ten years of operations.
Compared with non-immunosuppressed patients with sepsis, immunosuppressed patients with sepsis at the 15 hospitals in the first quartile had increased odds of in-hospital death (adjusted odds ratio, 1.38).
He believes this is a high returning expansion for SQM at the "world's premier lithium asset in Chile with first quartile costs." Another firm, Wells Fargo, chimed in on the sell-off in FMC.