It is important to be familiar with your data before deciding on which chart to use to represent it. Be sure to question your data: what kind of data is this? what is interesting about this data? am I missing any data that might result in an inaccurate chart?
Below are some resources to help your determine the chart that might best fit your data.
Citation: Designing a visualization, Duke University Libraries
The tools listed below offer free public accounts. You can create your own account to design a visualization.