The article The Foremans View of Quality Control (Quality

Chapter 8, Problem 8.22

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The article The Foremans View of Quality Control (Quality Engr., 1990: 257280) described an investigation into the coating weights for large pipes resulting from a galvanized coating process. Production standards call for a true average weight of 200 lb per pipe. The accompanying descriptive summary and boxplot are from MINITAB.

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