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The capability analysis is a valuable tool for Lean Six Sigma professionals. Every process has performance limits and variables. There is power in understanding those variables and variances that customers will tolerate. It offers a method of understanding these variables or limitations, and aligns them with customer expectations.
Understanding the Value of Capability Analysis
Understanding the true value of the variables in a process can be defined by the capability analysis. The capabilities and value of a process can be determined by comparing the width of the process spread to the width of the specification spread. When a process is capable, the process spread is smaller than the specification spread. When the process is centered and within the specifications, it is more capable of consistently producing product that meets customer expectations. The benefits, of course, is that it offers a key measure of performance that is easily translated in a visual representation that is applicable across all industries. Further value of the capability analysis is that it estimates the proportion of product that does not meet specifications. It summarizes a significant amount of information simply, showing the capability of a process and the extent of improvement needed.
Finding Value for Customers
Statistically speaking, you are assessing the capability to make this highest quality product by comparing the width of the variation in your process with the width of the specification limits. The capability analysis is crucial to achieve this with your project. By using this tool, you will be able turn your efforts from just meeting established requirements to applying change that reaps true quality improvements that are consistent. Ultimately, you will be able to offer the highest amount of quality and customer satisfaction from your process with the lowest amount of variations.
Capability Analysis is a valuable tool across the Lean Six Sigma practice. One can find the tool on various platforms such as Minitab.
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