Z-scores play a crucial part in Lean Six Sigma by providing a standardized 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 suggests a value above the mean, while a negative Z-score illustrates a value below the me

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