Bar graphs

Math

Definition

A type of data display that uses rectangular bars to represent quantities for different categories. The height (or length) of each bar corresponds to the value it represents. Bar graphs are best for comparing discrete categories.

Examples

  • A bar graph showing the number of students in each grade level at a school
  • Comparing monthly sales figures for different products using side-by-side bars

Related Terms

Histograms and dotplots Stem-and-leaf plots Scatter plots Mean median mode

Study This Concept

Practice bar graphs with free review games in these units:

Pre-Algebra Unit 10: Data and Statistics