A goal of Six Sigma is to make ones processes as stable as possible. The objective is to assure your services are consistent with your customers’ requirements. Process stability is guaranteed by reducing variations within a process.
There are two types of variation
- Common cause variation is caused by something that is architected into the system Fundamental changes are needed to remove common cause variation.
- Special cause variation is caused by sources that are not inherent in the process. The causes can be found and corrected without difficulty.
After the causes of variation in a process have been found, the Pareto principle can be applied to prioritize these causes.
The Pareto principle states that a small number of causes is responsible for a large percentage of the defects, in a ratio of about 80:20. This means that 80 percent of the results a person produces takes 20 percent of their effort. This is known as the 80/20 rule. It is based on the concept that it is important to focus on improving the few important things, rather than the many trivial things.
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Welcome to the Healthcare IT Project Management Blog of Elyse Nielsen. This is the place where I share the ideas I have learned, the things I’d like to remember, and my thoughts for a brighter future. Find out more.
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