About the Graphs Lesson
This lesson introduces students to graphs.
• To be able to describe briefly what graphs are and their purpose.
• To be able to list the main types of graphs.
• To be able to identify when it is best to use certain graphs.
A graph is a diagram or a chart that shows numbers or quantities in a way that can be easily read. It is a way to present data in a visual manner to simplify numbers and relations between them. With information that has a lot of numbers or figures, which are known as quantitative data, graphs are often found to be the best and easiest way to view the information or the numerical data, especially for the purpose of comparison. Graphs are effective tools to present data in a quick manner.