A process was, on an irregular basis, failing to meet the mark, perhaps 5% of the time. The process engineer observed the process in action and took a sample of thirty parts for analysis.
The Limits of the Thirty Piece Sample
Related Posts
The Emergence of the Metric System
The Egyptians utilized three cubits: natural, Elephantine, and sacred, with the sacred cubit being 1/400 of the pyramid…
Aerospace leaders mitigate risk with manufacturing processes
In aerospace a defect, mismeasurement, or slight error can be the difference between a successful launch and mission…
Culture of Quality Takes Center Stage in Latest Boeing News
As the public trials and tribulations of Boeing continue, we have started to hear discussion of the loss…