Next, have Excel run the regression on the two columns of return data you generated. Under the Data menu, the Data Analysis button allows you to select Regression.

VIDEO: It's easy to run a regression in Excel and you only need to understand a few data points to make sense of the results.

To use the package, run Excel, and File / Open / KStat.xls. [If you've got your Excel "paranoia" settings turned on, you might be prompted with a few warning windows. DO permit macros to run.