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.

You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

Here’s one bit of weirdness that hasn’t changed in Office 2007: When you create a bar chart from a column of data in Excel it plots the data series in reverse order, starting with the value at ...