Multiple Choice
Quality control charts usually have a central line and upper and lower control limit lines. Which of the following is a reason that the process being monitored with the chart should be investigated?
A) A single point falls above or below the control limits.
B) Behavior is normal.
C) A large number of plots are on or near the central line.
D) There is no real trend in any direction.
E) There is a change in raw materials or operators.
Correct Answer:
Verified
Correct Answer:
Verified
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