The early Define phase of Lean Six Sigma in manufacturing is key for creating a precise scope and project objectivegoals. It involves meticulously understanding the customer’ needs and translating them into a verifiable problem statement. Teams typically employ tools like Voice of the Customer surve

The Chi-square test serves as a statistical tool used to examine the connection between two or more categorical variables. This evaluates whether there is a meaningful difference between the observed and expected frequencies in a dataset. The test depends on the concept of chi-square, which represen