In a variables control chart, which of the following is likely to occur if two points in succession are farther than two standard deviations from the mean?
A) erratic behavior
B) nonrandom event
C) process drift
D) natural variation
E) process run

Question

Quizplus · Accepted Answer

Two points in succession being farther than two standard deviations from the mean suggests a nonrandom event, indicating that the process may be affected by special causes rather than just natural variation.

In a Variables Control Chart, Which of the Following Is