Z-scores serve a crucial role in Lean Six Sigma by providing a normalized measure of how far a data point lies from the mean. Essentially, they transform raw data into comparable units, allowing for precise analysis and problem-solving. A positive Z-score indicates a value above the mean, while a negative Z-score signifies a value below the mean. T

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