# Question

Evaluate with explanation the following statements, circle the appropriate response, and explain briefly.

a. Suppose the control limits for a process are set at 3 standard deviations from the mean. If the process is in control, 99.73% of its output will meet the specifications. True or false?

b. As the sample size increases, the upper control limit for a process should be decreased. True or false?

c. Suppose control limits for a process are set at 3 standard deviations from the mean. If the process is in control, the probability of observing a sample outside the control limits is independent of the sigma capability of the process. True or false?

d. A six- sigma process is always “ in control.” True or false?

a. Suppose the control limits for a process are set at 3 standard deviations from the mean. If the process is in control, 99.73% of its output will meet the specifications. True or false?

b. As the sample size increases, the upper control limit for a process should be decreased. True or false?

c. Suppose control limits for a process are set at 3 standard deviations from the mean. If the process is in control, the probability of observing a sample outside the control limits is independent of the sigma capability of the process. True or false?

d. A six- sigma process is always “ in control.” True or false?

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