#### RX Chart

Sometimes referred to as a "Paired Range Chart", the RX Chart is a type of Individual Chart that shows individual range. The upper section shows the individual values plotted against the control limits, while the lower section plots the range between subsequent pairs of data points. Two additional statistical parameters, CP and CPK, also appear on the chart.

See also:

- Capability Indexes: Table of Calculations

- Control Limits for Individual Charts

- Process Chart