If a manufacturing line had a Cpk of 0.82, and a finance department had a Cpk of 1.89, you could say that finance is doing a better job of meeting its customer’s requirements than manufacturing.

Sigma, DPMO, Yield, and Cpk are interrelated calculations. When using the table, assume there is a 1.5 Sigma shift. Understanding these calculations can help you iron out defects in your production.