Statistical Process Control (SPC) gives guidelines on whether or not intervention should occur. In
The following scenario determine whether the occurrences should be seen as a sign to intervene:Alternating points either side of the mean.

A) Intervene
B) Do not intervene

Question

Statistical Process Control (SPC) gives guidelines on whether or not intervention should occur. In
The following scenario determine whether the occurrences should be seen as a sign to intervene:Alternating points either side of the mean.

A) Intervene 
B) Do not intervene

Quizplus · Accepted Answer

Alternating points on either side of the mean in a control chart can indicate a systematic or predictable pattern, which is a sign that the process may not be in statistical control. This could be due to some form of assignable variation, and intervention may be necessary to investigate and correct the cause.

Statistical Process Control (SPC) Gives Guidelines on Whether or Not