What type of methodology is Six Sigma characterized as?

Six Sigma is characterized primarily as a data-driven methodology. This approach relies heavily on quantitative data to drive improvements in processes and reduce variations. By using statistical analysis and data gathering techniques, Six Sigma practitioners identify areas of inefficiency, determine root causes of defects, and make informed decisions to optimize processes. The emphasis on data collection and analysis ensures that improvements are not based on assumptions or anecdotal evidence but are instead grounded in measurable, objective insights.

While other characteristics such as being customer-focused, cost-effective, and employee-centered also play roles in the broader Six Sigma framework, the core of the methodology is its reliance on data and statistical methods to guide decision-making and process improvement initiatives. This foundational aspect sets Six Sigma apart as a rigorous and systematic approach to enhancing quality and performance in various industries.