Standardized R chart which uses control limits D3 and D4 has the valu – McqOptions

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1.	Standardized R chart which uses control limits D3 and D4 has the value of \(R_i^s\) = _________
A.	\(R_i^s=\frac{3R_i}{R_j}\)
B.	\(R_i^s=\frac{R_i}{2R_j}\)
C.	\(R_i^s=\frac{2R_i}{R_j}\)
D.	\(R_i^s=\frac{R_i}{R_j}\)
Answer» E.

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