Expand menu menu_open Minimize Start chapters Home History history History expand_more
{{ item.displayTitle }}
navigate_next
No history yet!
Progress & Statistics equalizer Progress expand_more
Student
navigate_next
Teacher
navigate_next
{{ filterOption.label }}
{{ item.displayTitle }}
{{ item.subject.displayTitle }}
arrow_forward
No results
{{ searchError }}
search
menu_open
{{ courseTrack.displayTitle }}
{{ statistics.percent }}% Sign in to view progress
{{ printedBook.courseTrack.name }} {{ printedBook.name }}
search Use offline Tools apps
Login account_circle menu_open

Quartile

Concept

Quartile

Quartiles are three values that divide a data set into four equally large parts. The quartiles are denoted with Q1,Q2Q_1, \, Q_2 and Q3.Q_3. For example, 1212 data values are divided into four equal parts containing 33 values each.

Kvartil2 en.svg

The quartile Q2Q_2 is just another name for the median of the data set. The quartiles Q1Q_1 and Q3Q_3 are often referred to as the first and the third quartile respectively.