Charts and graphs are the most commonly used and also among the most effective way of visualizing your data. Right now there are plenty of tools outside there. For students needs, we list three of the most popular tools here, which should be enough for your chart / graph generation.
As one of our most used data organizing tools, Excel is pretty good at generating charts. One of its relatively new function is Pivot Table. Under this function data could be reorganized, filtered, and displayed in the way users would like to.
Google Charts is an option is you want to tweak the code to make fine changes. The online instructions share the code and allows you to customize on top of that. One feature of Google chart is the motion chart, which could create moving items to reflect the change over time. Motion chart could be found either within Google Drive -> Spreadsheet -> Insert Chart, or under Google Charts Guides.