It is not enough to do your best; you must know what to do, and then do your best.
Online Statistical Calculators for Acceptance Sampling and Quality Control
It is not enough to do your best; you must know what to do, and then do your best.
W. Edwards Deming
Quality is the result of a carefully constructed cultural environment. It has to be the fabric of the organization, not part of the fabric.
Philip Crosby