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

Suppose you have some data. You want to plot that data and turn it in with your lab report. Your instructor (me) told you to be sure and include error bars on your graph.

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 ...

On the surface, interpreting a graph is straightforward. Does the line go up or down? Is one bar taller than the other?

In this post, we show you how to add error bars to a Microsoft Excel spreadsheet. You can use Error bars for standard deviation & trending margin of error.

FAST Graphs™ are a "tool to think with" and as such, have no agenda of their own. Instead, they are designed to provide "essential fundamentals at a glance" and allow the user to interpret the ...

You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.