The grades earned by 20 students on a test. Which display is chosen as an appropriate type of display?

A histogram would be an appropriate type of display for the grades earned by 20 students on a test.

To choose an appropriate type of display for the grades earned by 20 students on a test, we need to consider the characteristics of the data and the purpose of the display. Here are some options to consider:

1. Bar Graph: A bar graph can be used to display the distribution of grades and compare the number of students in each grade category. Each grade category would be represented by a bar, and the height of the bar would correspond to the number of students in that grade category.

2. Histogram: Similar to a bar graph, a histogram can display the distribution of grades. However, instead of using specific grade categories, histograms group the grades into intervals or bins. The height of each bar in the histogram represents the number of students falling within that interval.

3. Box Plot: A box plot can provide a visual summary of the distribution of grades, including information on the median, quartiles, and any potential outliers. It can help identify the range of grades and any unusual patterns or extremes.

The choice of display will depend on the specific characteristics of the data and the purpose of the visualization.