Friday 22 June 2012

When no point lies outside the control limits of a chart,


When no point lies outside the control limits of a chart, we conclude that variation in the process is 
A. due to special causes and there is not enough evidence to infer that the process is out of control. 
B. due to special causes and there is enough evidence to infer that the process is under control. 
C. due to common cause and there is enough evidence to infer that the process is out of control. 
D. due to common cause and there is not eno



Solution

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