Question: A manager wishes to build a control chart for a process. A total of five (05) samples, with five (05) observations each, are collected. The
A manager wishes to build a control chart for a process. A total of five (05) samples, with five (05) observations each, are collected. The corresponding sample means (X - bar) are 14.09, 13.94, 16.86, 18.77, and 16.64, while the ranges are 9.90, 7.73, 2.89,7.56, and 3.49, respectively. The lower and upper control limits of the x - bar chart are_ and ___, respectively. Select one:
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