Choosing the right graph is very important. A line graph could be used to show the changes in a country's employment structure over time. This graph shows that in the post-industrial era ...

No, a histogram doesn’t have a sense of time in the data it presents. A trend chart by its very definition has a time component to things. While histograms have their place, if you’re looking ...

Choosing the right graph is very important. Bar charts and line graphs can be combined. Climate graphs are an example of this. The x-axis shows the months of the year and there are two y-axes to ...