Learn how to plot coordinates and create straight line graphs to show the relationship between two variables. Also, plot graphs that contain a negative coefficient of x.

This example shows how to create box plots and how to specify SYMBOL definitions so data outside the box-plot range can be represented with data points. It also shows how to change a box plot's ...

Also, plot graphs that contain a negative coefficient of x. Learn how to plot coordinates and create straight line graphs to show the relationship between two variables. BBC Homepage ...