Which of these will work correctly and efficiently, when the process – McqOptions

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1.	Which of these will work correctly and efficiently, when the process standard deviations are different for different part numbers?
A.	Standardized x bar and R charts
B.	Standardized attribute charts
C.	DNOM charts
D.	Both, the cusum and EWMA charts
Answer» B. Standardized attribute charts

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