Question: Consider a production process being monitored with a u-chart. Suppose that four samples are gathered during Phase I analysis, with the information gathered for each

Consider a production process being monitored

Consider a production process being monitored with a u-chart. Suppose that four samples are gathered during Phase I analysis, with the information gathered for each sample shown below. Compute the value of for the first iteration of Phase I analysis (i.e., when all samples are included). Sample, i #nonconformities, Xi #units analyzed, ni i = 0;/ ni 1 7 2 3.5 2 12 4 3 3 4 6 9 4 2 1.5 4.5

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