quartile


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quartile

Astrology denoting an aspect of two heavenly bodies when their longitudes differ by 90?

quartile

[′kwȯr‚tīl]
(statistics)
The value of any of the three random variables which separate the frequency of a distribution into four equal parts.
References in periodicals archive ?
Negative associations were observed for the second and third quartiles, and the reasons for this phenomenon are unclear.
7% moved to the top quartile over a five-year horizon, while 27.
The model reasonably fit outcomes-- the percentage of patients in each quartile who developed diabetes--with an area under the receiver operator characteristic curve of 0.
In the domain of production, Top Quartile manufacturers spent 20 percent less on production-related expenses as compared to average producers.
In this study we show that the median concentrations of hs-cTnI in a community-based older population is as low as one-fourth to one-third of the 99 th percentile of 25 ng/L and that the fourth quartile starts at the concentration of about 10 ng/L.
2012), our analyses using all deaths suggest a significant difference in all-cause mortality between the highest and the lowest quartile of positive care experience with an adjusted hazard ratio (HR) of 1.
The 2013 percentage of elderly and near elderly families with debt was the highest during the study period for those families in the third income quartile, while the percentage with debt for families in the highest-income quartile has trended down since 2007 and for families in the lowest-income quartile has leveled off at just above 44 percent since 2007.
1c] greater than 9% who were consuming sodium in the highest quartile were 9.
An omnibus Ftest showed that students' subjective confidence (as measured by the Likert-scale rating) in their postdiction varied by quartile, F{3, 105) = 9.
In terms of the seven subcomponents of the FDI Contribution Index, Turkey is in the second quartile for wages and salaries, in the third quartile for value-added, employment, taxes, and capital expenditures, and in the fourth quartile for exports and R&D expenditures.
CHICAGO -- The risk of gallbladder disease was more than twice as high in pregnant women in the top quartile of carbohydrate consumption, compared with those in the bottom quartile, based on data from a prospective study of 3,070 pregnant women.
The first quartile is further divided by splitting off auctions where the seller has zero positive reports.