Z-scores serve a crucial role in Lean Six Sigma by providing a normalized measure of how far a data point departs 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 aim to enhance efficiency and effectiveness. Adopting lean principles offers a proven framework for achieving sustainable improvement. At its core, lean philosophy focuses on removing waste in all its forms, from unnecessary processes to inefficient activities. By identifying

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