X bar and R charts are __________ indicators of trouble.

X bar and R charts are __________ indicators of trouble. Correct Answer Leading

x and R charts are leading indicators of trouble in the process. We conclude this because; they indicate the out-of-control process before the process has made defective products, unlike p-chart, which indicates the out-of control process after the process has made defectives.

Related Questions

Which of this is a situation when x bar and s charts should be utilized instead of x bar and R charts?