The estimator of the process standard deviation for any individuals co – McqOptions

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1.	The estimator of the process standard deviation for any individuals control chart is written as?
A.	( frac{ overline{MR}}{2} )
B.	( overline{MR}/0.8865 )
C.	( overline{MR}/1.128 )
D.	(1.128 overline{MR} )
Answer» D. (1.128 overline{MR} )

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