Cameras and editing programs have a useful tool for evaluating exposure. Here's what you need to know about the histogram and ...

You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

A percentile graph visualizes the percentiles of a given data set. The graph will show a box suspended on the graph that represents the area between the 25th and 75th percentile. The graph will also ...

You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.

In geography it is important to be able to read and understand data that is presented in a range of different ways. We often use graphs to present data in a clear and accessible way. There are many ...