Excel 2016 Trendlinie. Right click on the selected data series and select add trendline. In the popup menu select add trendline.
After selecting a data series excel displays the chart design and format tabs. To add a trendline select the data series and do one of the following. On the format tab in the current selection group select the trendline option in the dropdown list.
On the format tab in the current selection group select the trendline option in the dropdown list.
Click the chart. To add a trendline select the data series and do one of the following. In the popup menu. After selecting a data series excel displays the chart design and format tabs.