percentile


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Related to percentile: standard deviation

percentile

 [per-sen´tīl]
any one of the 99 values that divide the range of a probability distribution or sample into 100 intervals of equal probability or frequency; for example, 45 per cent of a population scores below the 45th percentile.

per·cen·tile

(per-sen'tīl),
The rank position of an individual in a serial array of data, stated in terms of what percentage of the group the individual equals or exceeds.

percentile

the 100th part of a statistical distribution. A percentile rank of 80 indicates that 20% of the total number of cases scored above and 80% scored below in whatever characteristics were being studied.

per·cen·tile

(pĕr-sen'tīl)
The rank position of an individual in a serial array of data, stated in terms of what percentage of the group the individual equals or exceeds.

percentile

One of 100 equal parts in an ordered sequence of statistical data. Thus, for instance, the 93rd percentile is the value that equals 93% of those in the series. If a value in a range of values falls in the 20th percentile, there are 19 lower and 80 higher. The method is widely used to record and check such parameters as the extent of body growth at a particular age.

per·cen·tile

(pĕr-sen'tīl)
Rank position of an individual in a serial array of data, stated in terms of what percentage of the group the individual equals or exceeds.

percentile,

n the number in a frequency distribution below which a certain percentage of fees will fall. E.g., the ninetieth percentile is the number that divides the distribution of fees into the lower 90% and the upper 10%, or that fee level at which 90% of dental professionals charge that amount or less and 10% charge more.

percentile

1. one of 100 equal parts of a series of measurements, each group being of equal size, and arranged in order of their magnitude; the 20th percentile is the value in the series below which 20% of the values fall.
2. the dividing points between such groups.
References in periodicals archive ?
While workers at the 90th percentile experienced no statistically significant increase in wages, their compensation increased by $2.
Income disparities grew the most in Delaware where earners at the 90th percentile earned an estimated 4.
2] are the revised quantities on which to base the percentile confidence interval endpoints.
Among this sample of pre-service teachers, those who averaged at or above the 75th percentile on the course examinations expressed more strongly held incremental beliefs than their lower-performing peers in this sample.
If anyone is looking into public education in an urban setting, Yes, you can do it,'' said Romer, who now aims to bring the district's scores past the 70th percentile in all four subject areas.
Meanwhile, the rest of us are supposed to settle for the status quo because El Cerrito Elementary School and others like it around the nation can claim they have made adequate yearly progress (second-grade reading scores average in the 42nd percentile instead of the 38th
Generally, the scores are provided in terms of percentiles, although standard deviations, stanines, quartile deviations, and grade equivalents may also be used to indicate student achievement.
These criteria for evaluating each score were derived by determining the percentile ranks that correspond to stanines in a normal distribution.
CDS liquidity for Morgan Stanley remains very high, in the first regional percentile.
Newhall School District third-graders jumped two and three points in mathematics and spelling and stayed even in reading and language, ranking them between the 65th and 78th percentile in all four categories.
Although the cohort initially had generally larger body sizes relative to national percentiles, 2 years later they showed significant declines relative to national percentiles.
consistently scored above the 50th percentile -- the national norm for the test administered in 29 state-wide programs.