After opening Excel, click File. At the bottom of the File menu, click Options. Click Add-Ins and then Go… . This opens an additional pop-up window that allows you to select the Analysis ToolPak.

Enable the Data Analysis Toolpak add-in for advanced statistical analysis. This tool provides access to functions like Regression, ANOVA, and Descriptive Statistics.

Frontline Systems has released XLMiner Analysis ToolPak as a free app for Excel Online and Office 365, available in the Office App Store, and a free add-on for Google Sheets, available in the Chrome ...

To get started, you will first need to ensure that the Analysis ToolPak add-in is enabled in Excel. This add-in provides a suite of data analysis tools, including regression analysis.