The article How to Calculate the Regression of 2 Stocks Using Excel originally appeared on Fool.com. Try any of our Foolish newsletter services free for 30 days.

Regression is one of the most powerful statistical tools for finding relationships in data. Python makes it easy, and it's much more flexible than a spreadsheet.

How to Use VBA to Access the Equation of a Trend Line on Microsoft Excel. Trend lines are a type of regression analysis, which is a way to study the relationships between variables. In the context ...

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.