Click on the Office Button at the top left of the page and go to Excel Options. Click on Add-Ins on the left side of the page. Find Analysis tool pack. If it’s on your list of active add-ins, you’re set. If it’s on your list of inactive add-ins, look at the bottom of the window for the drop-down list next to Manage, make sure Excel Add-Ins is selected, and hit Go. In the next window that pops up, make sure Analysis tool pack is checked and hit OK to activate. Allow it to install if necessary.
Go to Tools > Add-Ins. Find Analysis tool pack. (If you don’t see it, look for it using the Browse function. ) If it’s in the Add-Ins Available box, make sure Analysis tool pack is checked and hit OK to activate. Allow it to install if necessary.
If your version of Excel displays the ribbon, go to Data, find the Analysis section, hit Data Analysis, and choose Regression from the list of tools. If your version of Excel displays the traditional toolbar, go to Tools > Data Analysis and choose Regression from the list of tools.
