Knowing how to make a bar graph is important. Knowing what type of information you need is even more important. If you have a title, vertical axis (quantity) information, horizontal axis (grouping) information, and a key, you can make ANY set of numbers into a bar graph. Check out this video, which has an example problem of how to make a bar graph from a table. The step-by-step directions show you how to find the important information and show it on a graph