Add trendline

Trendline is used to visualize the general pattern or direction of a data series. Trendlines are useful when determining increase or decrease, which is statistically distinguished from random behavior.

Trendline option is available only for Scatter and Bubble chart type.

1. In the upper-right corner, click EDIT.
2. Click Data Series to expand the section.
3. Open the Series tab, and click a series to expand it.
4. Check the box next to Show trendline.
5. From the Type dropdown, select the trendline type.