percentile

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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 the picture is similar to that for all workers, it shows percent changes in compensation close to 9 percent for the highest percentiles of the distribution.
This paper describes bootstrap sampling methods and confidence intervals of percentiles for wood plastic composites.
2% of those in the under-50th BMI percentile and 13.
The average overall gains at each school are as follows: Showalter Middle School had an average overall gain of 54 percentile points; Columbus Elementary had an average overall gain of 19 percentile points; Stetser Elementary School had an average overall gain of 13 percentile points; William Penn Elementary School had an average overall gain of 8 percentile points; Wetherill Elementary had an average overall gain of 7 percentile points; Pulaski Middle School had an average overall gain of 5 percentile points; Main Street Elementary and Middle School had an average overall gain of 4 percentile points; Chester High School had an average overall gain of 3 percentile points, and Smedley Middle School had an average overall gain of 2 percentile points.
the measurement movement emphasizes that a single percentile adequately describes what a student has learned.
When examining the profile of a client with a learning disability, one would expect to see most scores plotted at or above the 50th percentile.
05 over the three-month period, causing an increase in liquidity from trading in the 60th percentile to the 56th percentile.
Eighth-graders improved the most overall, besting last year's results by 4 percentile points in spelling, 3 points in language and 2 points in reading.
For the most part, practice tests and shifts in curriculum boosted scores 3 to 4 percentile points in the standardized tests given in the spring to grades 2-11.
37 over the three-month period, causing a decrease in liquidity from trading in the eighth percentile to the 11th percentile.
Reading scores rose from the 11th percentile in 1996-97 to the 20th percentile this year; math scores increased from the 19th percentile to the 29th percentile and language marks grew from the 15th percentile to the 27th percentile.
Morgan Stanley (scheduled to release earnings on Wednesday), saw CDS spreads widen 18 bps, or 14%, since the SEC announcement with liquidity moving into the 5th regional percentile, up five percentile rankings from a month ago.