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

Horizontal lines run left to right, parallel to the horizon, with slope 0 and equation y = k. Vertical lines run top to bottom, perpendicular to the horizon, with undefined slope and equation x = k.

Scatter diagrams are used to explore patterns between two sets of data. The table shows the results of eight students' maths and science marks in an assessment. Construct a scatter graph that ...

The so-called “burning embers” graph attempts to render the various risks of climate change — “reasons for concern,” or RFCs — in an easy-to-grasp visual form.