Z-scores play a crucial function in Lean Six Sigma by providing a consistent measure of how far a data point resides from the mean. Essentially, they transform raw data into meaningful units, allowing for precise analysis and problem-solving. A positive Z-score points to a value above the mean, while a negative Z-score illustrates a value below the

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