Looking at a bar graph, you might think, "B is about twice as much as A." However, when you read the numbers, A is 40 people ...

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 ...

The classic horizontal bar chart is something we’re all familiar with. For many of us, it was the first ‘chart’ we learnt in school, usually alongside Venn diagrams and line graphs. That’s because bar ...