TV news is a primary source for political information, but this chart shows how media preferences vary by supporters of the top-polling candidates. Disclaimer: AAAS and EurekAlert! are not responsible ...

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 ...

Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...

The graph shows the percentage of the US adult population -- both as a whole and by ethnic/racial subgroup -- with diabetes (blue bars) and the percentage who have diabetes that has not been diagnosed ...