You can add, edit and remove the trend lines for this chart. You can also forecast the data for this chart.

1. Simply move your mouse over to the top left-hand corner of the chart until you see .
2. Press it, and the chart menu will pop up.
3. Select Trend Lines and Forecast from the menu.
4. You will now see the Trend Lines and Forecast Wizard.
5. Use the Wizard to edit the trend lines and forecast the data in your chart.