Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...

The takeaway: every bar graph needs a zero on its scale. If you see one without a zero, be careful. In a future post I'll discuss whether line graphs and other graphs also need a zero on their scales.

You can turn any graph into stunning 3D with Illustrator. In this post we show you how to make a Bar Graph 3D in Illustrator the easy way.

If you’re a biomedical researcher and you’re using bar graphs for continuous data, Tracey L. Weissgerber has one word for you: “Stop.” Weissgerber, a physiologist at Mayo Clinic, is on a ...

Students practice using context clues and how to create a bar graph.

Ken Schultz, a political scientist at Stanford, was inspired by the misleading Wall Street Journal graphic and disappeared Tax Foundation blog post to illustrate just how easy it is to manipulate ...

The bar chart below shows different types of vehicle that were seen during a traffic survey. Bar charts are useful for comparing a set of data with different categories.

Learn when to introduce maps, charts or graphs into your writing. In this article you can learn: How to use a map in your writing How to use different types of graphs and charts What a key, scale ...