1.

What is the value of the statistic plotted on the standardized np-chart?

A. (z_i= frac{n hat{p}_i+n bar{p}}{ sqrt{n bar{p}(1+ bar{p})}} )
B. (z_i= frac{n hat{p}_i-n bar{p}}{ sqrt{n bar{p}(1+ bar{p})}} )
C. (z_i= frac{n hat{p}_i+n bar{p}}{ sqrt{n bar{p}(1- bar{p})}} )
D. (z_i= frac{n hat{p}_i-n bar{p}}{ sqrt{n bar{p}(1- bar{p})}} )
Answer» E.


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