What is the ratio of the UCL to LCL of the same GCC R chart?
Posted: Thu Jul 14, 2022 1:58 pm
a) UCL/LCL=D2/D3
b) UCL/LCL=D3/D4
c) UCL/LCL=D4/D3
d) UCL/LCL=D4/D2
b) UCL/LCL=D3/D4
c) UCL/LCL=D4/D3
d) UCL/LCL=D4/D2
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