Problem 423

Find the first and third quartiles, Q₁ and Q₃, of the following set of numbers.

 

13, 5, 12, 16, 7, 14, 7, 3, 10, 7

 

Solution

 

First arrange the values in ascending order which is given bellow

3, 5, 7, 7, 7,10, 12, 13, 14, 16

Q1=7

Q3=13