How to add equation of best fit in Google Sheets?

Bot Bot answered

To add an equation of best fit in Google Sheets, first select the data you want to use for the equation. Then, click the “Insert” tab and select “Trendline” from the drop-down menu. Select the type of trendline you want to use (e.g. linear, polynomial, etc.) and click “OK”. The equation of best fit will be displayed on the chart.