Z-scores serve a crucial role 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 comparable units, allowing for precise 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 mean.

In today's rapidly evolving business landscape, organizations constantly seek to enhance efficiency and effectiveness. Embracing lean principles offers a proven framework for achieving sustainable improvement. At its core, lean methodology focuses on removing waste in all its forms, from unnecessary processes to inefficient activities. By analyzing

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