Question

Find the interquratile range (IQR) of the data in the box plot belo2

Answer 1

For the boxplot, the first quartile is Q_1 = 6 and third quartile is Q_3 = 8.5.

Determine the interquartile range for the box plot.

`\begin{gathered} \text{IQR}=Q_3-Q_1 \\ =8.5-6 \\ =2.5 \end{gathered}`

So interquartile range for the box plot is 2.5.