Which of the following is NOT an indication of an out-of-control process?
A)Five consecutive points fall on one side of the center line.
B)Four of five consecutive points fall within the outer two-thirds region between the center line and one of the control limits.
C)Two of three consecutive points fall in the outer one-third region between the center line and one of the control limits.
D)A single point falls above the upper control limit.

Question

Quizplus · Accepted Answer

Five consecutive points on one side of the center line is not necessarily an indication of an out-of-control process; it may suggest a shift but not definitively out-of-control.

Which of the Following Is NOT an Indication of an Out-Of-Control