Question

use the box - and - whisker plot to answer the following.
(a) what is the median exam score?
(b) what is the highest exam score?
(c) what is the third quartile (q₃) of the exam scores?

Explanation:

Step1: Locate the median

The median is the line inside the box. From the plot, it is at 75.

Step2: Find the highest score

The highest score is the end of the right - hand whisker. From the plot, it is at 90.

Step3: Determine the third quartile

The third quartile ($Q_3$) is the right - hand edge of the box. From the plot, it is at 80.

Answer:

(a) 75
(b) 90
(c) 80