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.

You can insert a chart in Excel by selecting your dataset, heading over to the Insert tab, and clicking the chart type you want in the Charts group of the ribbon. Then, you can customize them by ...

See how easy it is to create interactive web graphs from ggplot2 visualizations with the ggiraph R package. You can even link graphs so that clicking one dataviz affects the display of another.

Learn about bar charts with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

One more twist: the points on the graph are real but have nothing to do with auto racing. The first graph contains data compiled the evening before the disastrous launch of the space shuttle ...

Plot each data point, based on the frequencies and time intervals. Join each data point to the next, using straight lines. Check you have labelled each axis correctly, and give your line graph a ...

One way to improve your spreadsheet is to present data in chart form, and Excel is a great program for doing just this. However, Excel's overwhelming number of menus often results in some of the most ...

You can make a bar graph on Google Sheets to make the data in your spreadsheet more digestible, useful, and visually appealing.