Z-scores serve a crucial part in Lean Six Sigma by providing a consistent measure of how far a data point departs from the mean. Essentially, they transform raw data into understandable units, allowing for precise analysis and decision-making. A positive Z-score indicates a value above the mean, while a negative Z-score reveals a value below the me

The Define phase of a Lean Six Sigma project lays the groundwork for success. In this case study, we explore how a manufacturing company employed the Define phase to pinpoint inefficiencies in their production process. A cross-functional team was here formed consisting of representatives from diverse departments, including operations, quality cont