In the Chart Properties, select the Data page.
Under Data Values/Select Y-Value, select the required data field or expression that you want to plot on the y-axis. As the y-value must be numeric, only data fields returning numeric values are available in the list.
Click
to
move the selected expression to the active settings, which are shown on the
right side.
Select the previously used expression on the right side, and
click
to remove it from the active settings.
Save the settings.