Question: A quality engineer collected process data for five subgroups with each subgroup consisting of two samples (n=2). The median and ranges of samples in

A quality engineer collected process data for five subgroups with each subgroup

A quality engineer collected process data for five subgroups with each subgroup consisting of two samples (n=2). The median and ranges of samples in each subgroup are summarized in Table 6 below. Table 6. Subgroup Data Subgroup Median Range 1 2 3 4 5 12.97 12.95 13.02 13.00 13.01 0.06 0.05 0.02 0.01 0.01 (7-1) Calculate the center line of median chart using median of subgroup medians. Center line of median chart Answer (7-2) Calculate the median of subgroup ranges, which is also the center line of range chart. Average range R Answer (7-3) Calculate the upper control limit (UCL) and the lower control limit (LCL) of median chart. UCL of median chart LCL of median chart Answer

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