1.

What is the value of the UCL of the R chart constructed for the GCC?

A. UCL = D<sub>4</sub> <span style="text-decoration:overline;">R</span>
B. UCL = D<sub>3</sub> <span style="text-decoration:overline;">R</span>
C. UCL = R ÃÖ+ D<sub>3</sub> <span style="text-decoration:overline;">R</span>
D. UCL = R ÃÖ+ D<sub>4</sub> <span style="text-decoration:overline;">R</span>
Answer» B. UCL = D<sub>3</sub> <span style="text-decoration:overline;">R</span>


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