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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