To tell if the standard deviation of a process has changed, - 12012

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mareya

mareya

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Request Description

To tell if the standard deviation of a process has changed, the control charts used are

A.   R and S charts. 

B.   p and R charts.

C.   S and x bar charts. 

D.    x bar and p charts.

 
Solution Description

To tell if the standard deviation of a process has chan