Question: Find the control limits for a 3-sigma u chart with process average number of nonconformities per inspection unit equaling to 3 and sample size n=3.
Find the control limits for a 3-sigma u chart with process average number of nonconformities per inspection unit equaling to 3 and sample size n=3.
Select one:
a.
UCL=36 LCL=18
b.
UCL=9 LCL=0
c.
UCL=6 LCL=0
d.
UCL=18 LCL=0
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