Question: Your most recent quality control chart shows that all data points measured fall within the control range. However, there is a group of 8 consecutive
Your most recent quality control chart shows that all data points measured fall within the control range. However, there is a group of 8 consecutive data points sitting above the mean. What do you do?
A. Do nothing. The control processes are working as designed.
B. Change the standard deviation by +/-
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