# percentile

[per-sen-tahyl, -til]Statistics.

- one of the values of a variable that divides the distribution of the variable into 100 groups having equal frequencies: Ninety percent of the values lie at or below the ninetieth percentile, ten percent above it.

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- of or relating to a percentile or a division of a distribution by percentiles.

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## Origin of percentile

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for percentile

### Contemporary Examples of percentile

These differentials, he writes “places the average black at roughly the 16th percentile of the white IQ distribution.”

The new measure is a relative measure, pegged to (approximately) how much the 33rd percentile is spending on various things.

Really well, actually—in the 97th percentile on reading comprehension and the 87th in math.

A state in the 90th percentile (with the least amount of complaints filed) was given 20 points.

A state in the 90th percentile (with the least amount of hate crimes) was given 20 points.

### Historical Examples of percentile

In height he gained from the 25 percentile to the 40 percentile.

Adenoids and Diseased TonsilsMargaret Cobb Rogers

In other words, the lengths of the individual vectors denote the percentile rle that each night played in the total density.

A Quantitative Study of the Nocturnal Migration of Birds.George H. Lowery.

## percentile

- one of 99 actual or notional values of a variable dividing its distribution into 100 groups with equal frequencies; the 90th percentile is the value of a variable such that 90% of the relevant population is below that valueAlso called: centile

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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History for percentile

Online Etymology Dictionary, © 2010 Douglas Harper

## percentile

[pər-sĕn′tīl′]

- Any of the 100 equal parts into which the range of the values of a set of data can be divided in order to show the distribution of those values. The percentile of a given value is determined by the percentage of the values that are smaller than that value. For example, a test score that is higher than 95 percent of the other scores is in the 95th percentile.

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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.