If a company is using an
chart for a given process with measurement data,it is generally not important or necessary to use an R chart or s chart.

Question

If a company is using an 
chart for a given process with measurement data,it is generally not important or necessary to use an R chart or s chart.

Quizplus · Accepted Answer

An R chart or s chart should be used alongside an X-bar chart for measurement data to detect if there is excessive variation within subgroup samples. This helps the company to identify if process stability is present, and if not, to take corrective actions to reduce the variation.

If a Company Is Using an