Multiple Choice
Quality control charts usually have a central line and upper and lower control limit lines.Which of the following are reasons that the process being monitored with the chart should be investigated?
A) A single plot falls above or below the control limits
B) Normal behavior
C) A large number of plots are on or near the central line
D) No real trend in any direction
E) A change in raw materials or operators
Correct Answer:
Verified
Correct Answer:
Verified
Q7: What is the symbol designating the capability
Q17: Sampling plans are generally displayed graphically through
Q19: For which of the following should we
Q21: Standard practice in statistical process control for
Q51: The p-chart is only useful for sampling
Q54: You want to determine the control lines
Q59: All else being equal,how large is the
Q63: Which of the following should we use
Q64: You want to determine the control lines
Q65: You want to determine the lower control