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The centerline of a c control chart is determined to be 16

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The centerline of a c control chart is determined to be 16. Based

on these information, an observed c of 25 indicates


a.The process is in control because the observed c is greater than the lower control limit of 4 
b.The process is in control because the observed c is smaller than the upper control limit of 28 
c.The process is in control because the observed c is between the lower control limit of 4 and the upper control limit of 28 
d.Not enough information given to answer this question