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Introduction to Bar Graphs

The bar graph is one of the most common types of graphs. On the front page of many newspapers, you may see a bar graph depicting information from an article on that page or previewing an article located in another section of the newspaper.

Bar graphs are often used to compare data or quantities at specific time intervals. Bar graphs use thick bars to represent the data.

The bars on a graph can be drawn vertically or horizontally. By referring to the horizontal or vertical scale, a reader can determine the value represented by the length of each bar. The reader compares data by comparing the lengths of the bars.