Which control charts will be useful if the process output data for the – McqOptions

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1.	Which control charts will be useful if the process output data for the process capability study are collected in different time periods?$
A.	<span style="text-decoration:overline;">x</span> & R Charts
B.	p-charts
C.	c-charts
D.	u-charts
Answer» B. p-charts

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