Upper and lower control limits could be set at a standard deviation of three. Which of the following represents the associated confidence level?
A. 68%
B. 95%
C. 99.7%
D. 99.999%
Upper and lower control limits could be set at a standard deviation of three. Which of the following represents the associated confidence level?
A. 68%
B. 95%
C. 99.7%
D. 99.999%