Question

How to find the inter quartile range of these

1,1,1,2,2,3,3,4,5

Answer 1

2.5

Explanation:

1st Quartile (Q1): 1

2nd Quartile (Q2): 2

3rd Quartile (Q3): 3.5

IQR = Q3 - Q1 = 3.5 - 1 = 2.5