Question

Make a box-and-whisker plot of the data.

14, 6, 13, 17, 1, 12, 9, 18

Short answer

The upper extreme is 23.

Step-by-step solution

Step 1. Given Information.

The data provided is$\left\{1,6,9,12,13,14,17,18\right\}$

Step 2. Calculation.

To draw a box-and-whisker plot of.

$\left\{14,6,13,17,1,12,9,18\right\}$

Arrange the data in sequence

$\left\{1,6,9,12,13,14,17,18\right\}$

Find the median.

$\begin{array}{c}\text{Median}=\frac{12+13}{2}\\ =12.5\end{array}$

Upper quartile$=17$ ,

Lower quartile$=6$

Step 3. Conclusion.

The upper extreme is 23.