0 a type of graph (= a mathematical picture) in which different amounts are represented by thin vertical or horizontal rectangles that have the same width but different heights or lengths: --
1 a drawing that uses rectangular boxes to show how two sets of amounts are related --
2 → bar chart --
The teacher began the lesson with a bar graph showing life expectancy in the United States in 1800 (age 45), in 1850 (age 39), in 1900 (age 47), in 1970 (age 70), and in 2019 (age 79).
The detailed, 77-page report is full of pie charts and bar graphs that point to some of the conclusions.
There are some people who might just see the bar graph and think, "Oh, things are going up, they are getting better."
Younger students might enjoy making a survey of pet ownership and representing the results on a bar graph or pie chart.