what is quartile
What is a Quartile. Quartiles are the values used to divide a set of numbers into four equal groups. Put the numbers in order and divide them in half using a median.To the left of the median, the numbers are separated again, and to the right of the median, make a third separation.hat is a Quartile. Quartiles are the values used to divide a set of numbers into four equal groups. Put the numbers in order and divide them in half using a median.