Scatter graphs are used to represent and compare two sets of data. By looking at a scatter graph, we can see whether there is any connection (correlation) between the two sets of data. Matt sells ...

Capture relationships between data sets by graphing linear equations in Microsoft Excel 2007. Linear equations allow you to predict values within your data set and view the overall trend. Use ...

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 ...