A control chart that is used to monitor the range of the measurements in a sample is
A)a p chart
B)an x-bar chart
C)an R chart
D)an np chart

Question

Quizplus · Accepted Answer

An R chart, or range chart, is used to monitor the range of measurements in a sample. It is useful for detecting variability in the process and can be used in conjunction with an X-bar chart for continuous monitoring of process quality. The other options listed are not used for monitoring the range of measurements.

A Control Chart That Is Used to Monitor the Range