A manufacturer of office products is working to improve its delivery performance to retailers. A Lean Six Sigma team wants to chart the number of late shipments (defective units). A random sample of 150 shipments has been collected each week. The number of late shipments per week is recorded in the worksheet. Which type of chart should be used, and what are the upper and lower control limits?
Added by Christopher M.
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Since the Lean Six Sigma team is interested in charting the number of late shipments (defective units) from a sample of 150 shipments each week, the appropriate chart to use is a p-chart (proportion chart). This chart is used for monitoring the proportion of Show more…
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