Question

the five number summary for a set of data is given in the picture.what is the interquartile range of the set of data?

Answer 1

ANSWER

$IQR=13$

EXPLANATION

The interquartile range can be found by finding the difference between the first quartile, Q1, and the third quartile, Q3.

That is:

$IQR=Q3-Q1$

Therefore, the interquartile range is:

$\begin{gathered} IQR=81-68 \\ IQR=13 \end{gathered}$