Graphs and charts condense large amounts of information into easy-to-understand formats that clearly and effectively communicate important points. ... Bar graphs, line graphs, and pie charts are useful for displaying categorical data. Continuous data are measured on a scale or continuum (such as weight or test scores).

What is the importance of charts?

The main functions of a chart are to display data and invite further exploration of a topic. Charts are used in situations where a simple table won't adequately demonstrate important relationships or patterns between data points.

What are the major benefits of a chart?

Graphs and charts provide major benefits. First, they can quickly provide information related to trends and comparisons by allowing for a global view of the data. It also allows members of the audience who may be less versed in numerical analysis to follow the information and understand the presentation more fully.