1.

What is the value of the difference between the UCL and the LCL of xÃÖ chart of the GCC?$

A. 1
B. 0
C. 3A<sub>2</sub> <span style="text-decoration:overline;">R</span>
D. 2A<sub>2</sub> <span style="text-decoration:overline;">R</span>
Answer» E.


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