Line graphs show how data changes over time or space. The x-axis shows time ... Note how the total adds up to 100%. Bar charts and line graphs can be combined. Climate graphs are an example ...

Luckily, a few subtle tweaks can turn your Excel charts from sad to slick. This isn't a design tip, but it's fundamental to ...

A line graph could be used to show the changes in a country's employment structure over time. This graph shows ... Note how the total adds up to 100%. Bar charts and line graphs can be combined.