There have been some instances in which 1.5 inch sheet metal screws are used where 1.25 inch should have been used. This produces a critical defect. The decision is made to have all 1.25 inch screws have a square reduced head and all 1.5 inch screws be Phillips. This is an example of:
A set of data from a process has 8 readings per sample and 50 samples. The mean of the 50 sample means is 12.62. The mean of the 50 ranges is 0.18.Find control limits for the R chart.
For consumer products, an increase in the percentage of returned goods most likely equates to an increase in
Which of the following performance measures is most appropriate for evaluating the tangible effects of a six sigma project?
Which of the following charts plots the mean of a set of values and recalculates the mean with each new value?
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