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1. |
If the sample size is 4, what will be the value of the upper control limit of the GCC R chart? |
A. | UCL=2.672R̅ |
B. | UCL=2.282R̅ |
C. | UCL=2.114R̅ |
D. | UCL=2.574R̅ |
Answer» C. UCL=2.114R̅ | |