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

How to Graph Linear Equations in Excel 2007. Capture relationships between data sets by graphing linear equations in Microsoft Excel 2007.

Pie charts show percentages as a circle divided into segments. A pie chart could be used to show how students travel to school. Each piece of data is shown as a proportion of 360, because there are ...

If you specify more than one variable for any of the axes, one plot is produced for each combination of variables. For a two-dimensional scatter plot, specify a class variable to define subgroups.

In addition to using the shape, size, and color attributes to control the markers, you can specify a categorical variable whose values control these marker characteristics. To do so, use the ...

Despite the chant that correlation is not causation, some researchers believe the design of scatter plots nudges us to the wrong conclusions. Can a change in their design lessen that risk? Analyzing ...