Graphs are tools for conveying the meaning of numbers at a glance, but if you choose the wrong type or settings, they can actually lead to misunderstandings. This article explains how to choose the ...

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 misunderstood ...

Teach graph selection directly to Grades 7–12 with this self-contained, no-device lesson. Students match data relationships to bar, line, circle, or scatter graphs and defend their choices.

Thanks to their visual simplicity, bar graphs are popular tools for representing data. But do we really understand how to read them? New research from Wellesley College published in the Journal of ...