A large part of Six Sigma is dealing with data and making sense of them. That is why statistics plays a major role in any Six Sigma implementation.
As they say, you cannot manage what you cannot measure. But an article on BusinessWeek warns everyone that measuring data should be treated with utmost care. It cites Einstein saying, “Not everything that can be counted counts, and not everything that counts can be counted.” Thus, measurement has its right time and place.
Companies should guard against overmeasuring not only data but using metrics in processes. The article cites four problems with overemphasizing measurement’s role in management.
- Degradation by over-measurement
- A false sense of trust
- Increased cost and risk
Six Sigma : Your Resource for Strategic Management. Meikah Delid. Eversun Software 2006.