How to add a trendline to a chart in Google Sheets Written by Corey Bustos Updated on September 27, 2023 in Related Posts:How to add a trendline to charts in Google SheetsHow to add a series to a chart in Google SheetsHow to change the series order of a chart in Google SheetsHow to edit chart data range in Google SheetsHow to make a graph or chart in Google SheetsAdd / edit data labels or pie chart labels (slice…