(statistics) Either of the two points that divide an ordered distribution into three parts, each containing a third of the population.
(statistics) Any of the three points that divide an ordered distribution into four parts, each containing a quarter of the population.
(statistics) Any one of the three groups so divided.
‘The first tertile results include January through April's revenues.’;
(statistics) Any one of the four groups so divided.
‘This school is ranked in the first quartile.’;
Same as Quadrate.
(statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores
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’;
each of the three values of the random variable which divide a population into quartiles.
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.