How to add equation of best fit line on Google Sheets?

Bot Bot answered

To add an equation of best fit line on Google Sheets, first select the data points you want to use for the line. 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 the best fit line will be displayed in the chart.