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Related to Quartiles: percentiles


 (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 ?
2012), that measure was then recoded into quartiles to indicate four different levels of care experience, ranging from quartile 1 (i.
Women with higher binding inhibitory capacity at delivery were less likely to deliver LBW babies (odds ratio <1 for all quartiles in comparison to first quartile; p = 0.
Who travels and where they end up From black communities 44% of students travel elsewhere Mixed (White/Latino) 38% travel White 32% travel Latino 28% travel Note: School quartiles are based on 2014 state test scores Source: Chicago Public Schools, U15.
A sodium intake in the second and third quartiles increased cardiovascular disease risk 1.
Osmolality-adjusted BPA concentrations [nanograms per milliliter (osmolality-adjusted)], including the five samples below LOD, were divided into quartiles based on the distribution among the 308 men.
The relationship holds for Belgium, the Czech Republic, Estonia, Hong Kong, Hungary, Ireland, Panama, Singapore, Sweden and Switzerland, which are in the first (top) quartiles for both the FDI Contribution Indexes and the IFDI stock-to-GDP ratios.
The quartile-wise analysis had revealed that the firms in the top two quartiles had gained market shares at the expense of the firms in the lower quartiles.
We also divided each biomarker into quartiles on the basis of its distribution among controls and compared hypertension risk factors.
The analysis divided the study subjects into the control group, with more than 15,000 people, and then into quartiles of their received amount of vitamin D, including both their study-treatment dose and any additional vitamin D intake.
Exercise was queried as frequency and duration of minimal, moderate and strenuous exercise, as defined by Godin, with MET-based exercise scores divided into quartiles.
Indicative Logic for the Market Quartiles <p>Consumer Staples : Shares of companies that produce/trade goods in all economic cycles - i.
The other quartiles cover much broader ranges of positive reports received in each sample.