Tables and graphs are both ways to organize and arrange data so that it is more easily understood by the viewer. Tables and graphs are related in the sense that the information used in tables is frequently also used for the basis of graphs.
It is important to know how to create and interpret tables and graphs as they are used in many important areas of research, and used to help people in decision making.
This website has information on the various types of tables and graphs as well as graphics and quizzes to help you understand these ideas better.
For questions and comments: VirtEd Feedback Center