# 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.

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

## 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

#### 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

#### 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

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.

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