How to find the interquartile range for a set of data

Practice Questions

AP Statistics › How to find the interquartile range for a set of data

Questions

Find the Interquartile Range (IQR) for the following data.

Q1 = 2, Q3 = 6

IQR = Q3 - Q1 = 4

Find the interquartile range for the following data set:

$\small 5, 5, 5, 6, 8, 9, 11, 11, 15, 16, 18, 22, 25, 25, 26$

Find the interquartile range for the following data set:

$\small \small 1, 2, 5, 7, 7, 9, 15, 15, 15, 22, 23, 24, 26$