A Chart is a graphical representation of data, such as a pie chart, bar graph, line graph, etc. Charts can make the information interesting, appealing, and easy to read for your audience.

4th level; Data shown on graphs Bar charts. Line graphs, bar charts, population pyramids and climate graphs can all be used to present geographical information.

Learn about the various types of graphs, charts and diagrams useful when presenting sets of data, with BBC Bitesize 3rd Level Maths.

Overall, it is best to use pie charts sparingly, especially when there is a more “digestible” alternative – the bar chart. Whenever we see pie charts, we think one of two things: their ...

William Playfair, the father of data visualisation, changed the way we understand information. His bar graphs, pie charts, and line graphs remain essential tools today, yet his name is barely known.

1) Truncated Bar Graph: Bar graphs are staple constructs when different values need to be compared. Companies regularly use bar graphs to report profits or revenues for the last few years.