Question: How many standard deviations is the upper control limit, UCL, abovethe long-run center line, X-bar-bar? a. 1 b. 2 c. 3 d. 6 e. 12
How many standard deviations is the upper control limit, UCL, abovethe long-run center line, X-bar-bar?
a. 1
b. 2
c. 3
d. 6
e. 12
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