Automate L3M Average Calculation in Google Sheets

In this video you will learn how to automate last 3 month average (L3M Average) calculation in Google Sheets. Following same formula approach, you can do for any number of month like last 2 month or last 4 month etc. To practice automating L3M average calculation, get the google sheets document from below link. https://docs.google.com/spreadsheets/d/1itChZIPConPB4bxmcvnAWmDXHFwLRI_sfCdjQzBo08E/copy