Question

how do you find the quartile Q3 of the list of 24 sorted values: 30,33,35,38,40,46,46,47,47,49,50,51,53,53,54,56,60,65,73,74,77,78. what is the formuala and how do you work it?

Answer 1

If they are in order of value lowest to highest, the value at the 75th percentile is Q3, the 18th score.

Answer 2

Find the list quartile of 11 22 14 48 46 54 62 72