Question

What is the interquartile range (IQR)?

Answer 1

IQR = 3

Explanation:

if you create a box plot from the data provided, you get these values:

minimum: 4

quartile 1: 5

median: 6.5

quartile 3: 8

max: 22

range: 18

IQR is the difference between the 3rd and 1st quartiles

∴ the answer is 8-5 or 3

Answer 2

The answer should be 18