Definitions for quartileˈkwɔr taɪl, -tɪl
Random House Webster's College Dictionary
quar•tileˈkwɔr taɪl, -tɪl(n.)
(in a frequency distribution) one of the values of a variable that divides the distribution of the variable into four groups having equal frequencies.
Origin of quartile:
1875–80; 蠐 L quārt(us)
(statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores
Any of the three points that divide an ordered distribution into four parts, each containing a quarter of the population.
Any one of the four groups so divided.
same as Quadrate