Question: When using statistical process control there are six patterns to look for on control charts. This is also referred to as a run test.Which of
When using statistical process control there are six patterns to look for on control charts. This is also referred to as a run test.Which of the following are examples of the presence of assignable cause variation on a control chart?
A) erratic behaviour
B) trends
C)one point above or below the control limit
D) all of the answers are examples of assignable variation in a process
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