Читать книгу Lean Six Sigma For Dummies - Martin Brenig-Jones - Страница 38

Managing by fact, using accurate data, helps you avoid jumping to conclusions and solutions. You need the facts! And that means measuring the right things in the right way. Data collection is a process and needs to be managed accordingly. In Chapter 1, we looked at the significance of variation. Quality guru W. Edwards Deming stated that “uncontrolled variation is the enemy of quality.” In other words, it’s in everyone’s best interest to achieve a consistent, reliable, and predictable level of performance. This can be achieved by understanding and addressing the amount of variation, the type of variation, and the sources of variation. Using control charts (Chapter 8 has more on these) enables you to interpret the data correctly and understand the process variation. You then know when to take action and when not to.