Frequency Histogram

Frequency Histogram

How to draw a frequency histogram from the given data: example and its solution.

Example

The following table shows test scores for 20 students: 90-99 (2), 80-89 (6), 70-79 (7), 60-69 (3), 50-59 (2). Draw a frequency histogram based on the data.

Draw the histogram form.
Vertical axis: Frequency (0 ~ 8)
Horizontal axis: Test Scores (50-59 ~ 90-99)

Draw the vertical bars
that show each interval's frequency.