# decile

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## dec·ile

(dĭs′īl′, -əl)*n.*

*Statistics*

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

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

## decile

(ˈdɛsɪl; -aɪl)*n*

(Statistics)

*statistics***a.**one of nine actual or notional values of a variable dividing its distribution into ten groups with equal frequencies: the ninth decile is the value below which 90% of the population lie. See also percentile

**b.**a tenth part of a distribution

[C17: from deca- + -ile]

## dec•ile

(ˈdɛs ɪl, -aɪl)*n.*

one of the values of a statistical variable that divides the distribution of the variable into ten groups having equal frequencies.

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Noun | 1. | decile - (statistics) any of nine points that divided a distribution of ranked scores into equal intervals where each interval contains one-tenth of the scoresmark, 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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