Question: nen An engineer wants to establish a control chart for the number nonconforming, based on samples of size equal to 400. To start the control

nen An engineer wants to establish a control chart for the number nonconforming, based on samples of size equal to 400. To start the control chart, 60 samples were selected and the number nonconforming in each sample determined, yielding 2D; = 2100. (a) The engineer selects the np chart for this study, is it an adequate choice? /1 (b) What are the parameters of the np chart? 12 (c) Find the limits of the np chart

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