Z-scores represent a crucial part in Lean Six Sigma by providing a consistent measure of how far a data point lies from the mean. Essentially, they transform raw data into meaningful units, allowing for effective analysis and decision-making. A positive Z-score points to a value above the mean, while a negative Z-score reveals a value below the mea

The Initiate phase of a Lean Six Sigma project forms the groundwork for success. In this case study, we explore how a manufacturing company utilized the Define phase to identify inefficiencies in their production process. A cross-functional team was formed consisting of representatives from various departments, including operations, quality contro