Customize the control chart

Click the control to select it, then click the plus sign beside the chart and select items to display on the chart. The following information describes how to add reference lines to your control chart.

Reference lines

Display reference lines at one or more values on the x-axis or the y-axis. Reference lines are horizontal or vertical lines that span the data region of a graph to designate goals or demarcations. Separate multiple values with spaces.

The following example shows a vertical reference line at 30 on the x-axis and a horizontal reference line at 0.65 on the y-axis.
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