Thanks to their visual simplicity, bar graphs are popular tools for representing data. But do we really understand how to read them? New research has found that bar graphs are frequently ...

A psychology study found that bar graphs representing averages were prone to misinterpretation. Plus, how to improve your data literacy.

A bar-graph display provides an easily interpreted graphical indicator that allows comparison with its full-scale value, but a conventional microcontroller-based design uses at least one eight-line ...

Histograms look similar to bar charts as they both display data using bars. A histogram shows continuous data, such as different age groups, and therefore the bars are drawn without gaps between them.

We all know that Excel can make some gorgeous charts and graphs, but if you are like 30 Rock's Liz Lemon and don't know your scatter plot from your triangle graph ("I don't know. It sounded real ...

Bar graphs are designed to show categorized data. But they are often used for other types of data, partly because they are easier to make using Microsoft Excel than are other kinds of charts ...

Consider the following three key questions the next time you see a graph, map or other data visual so you can confidently decide what to do with that new nugget of information.