# percentile

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## per·cen·tile

(pər-sĕn′tīl′)*Statistics*

*n.*

**1.**Any of the groups that result when a frequency distribution is divided into 100 groups of equal size.

**2.**Any of the values that separate each of these groups.

## percentile

(pəˈsɛntaɪl)*n*

(Statistics) 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 value. Also called:

**centile**## per•cen•tile

(pərˈsɛn taɪl, -tɪl)*n.*

one of the values of a statistical 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.

[1880–85]

## per·cen·tile

(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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Noun | 1. | percentile - (statistics) any of the 99 numbered points that divide an ordered set of scores into 100 parts each of which contains one-hundredth of the totalmark, score, grade - a number or letter indicating quality (especially of a student's performance); "she made good marks in algebra"; "grade A milk"; "what was your score on your homework?" statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters |

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