Bar graphs are designed to show categorized data. But they are often used for other types of data, partly because they are easier to make using Microsoft Excel than are other kinds of charts ...

Types of graph In geography it is important to be able to read and understand data that is presented in a range of different ways. We often use graphs to present data in a clear and accessible way.

Data shown on graphs Graphs are a useful way to show different types of data. A variety of graphs, such as line, bar or pie graphs, are used to present different types of data.

In this edition of Five Apps, we take a look at five free web-based tools for creating different types of graphs from dynamic data.