The following is a list of grades that students received on a recent math exam:

77, 78, 81, 62, 63, 65, 81, 92, 93, 89, 91, 78, 66, 75, 78, 80, 91, 93, 95, 93, 91, 88, 76, 89, 91, 96.

The teacher wants to list all test scores. Which of the following displays would represent the data in this way?

Box plot
Circle graph
Histogram
Stem-and-leaf plot