# Octile vs. Quartile — What's the Difference?

## Compare with Definitions

#### Octile

(statistics) Any of the quantiles that divide an ordered sample population into eight equally numerous subsets.

#### Quartile

In statistics, a quartile is a type of quantile which divides the number of data points into four parts, or quarters, of more-or-less equal size. The data must be ordered from smallest to largest to compute quartiles; as such, quartiles are a form of order statistic.

#### Octile

A subset thus obtained.

#### Quartile

Each of four equal groups into which a population can be divided according to the distribution of values of a particular variable
In the highest quartile, the mean age was 72

#### Octile

(astronomy) An octant.

#### Quartile

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

#### Octile

Same as Octant, 2.

#### Quartile

Any of the values that separate each of these groups.

#### Quartile

(statistics) Any of the three points that divide an ordered distribution into four parts, each containing a quarter of the population.

#### Quartile

(statistics) Any one of the four groups so divided.
This school is ranked in the first quartile.

#### Quartile

(statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores

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