After collecting a new sample and determining its average, which of the following should NOT be done?
A) Recalculate the control chart with the new information.
B) Plot the sample average into the existing control chart.
C) Check whether the new sample gives reason to believe that the process is not in control.
D) If the sample average is above the upper control limit, the process should be investigated.

Question

Quizplus · Accepted Answer

Recalculating the control chart with every new sample is not standard practice. Control charts are typically recalculated only when there is a significant change in the process or after a set period.

After Collecting a New Sample and Determining Its Average, Which