The initial Define phase of Lean Six Sigma in manufacturing is vital for creating a clear scope and project objectivess. It involves deeply understanding the customer’s demands and translating them into a measurable problem statement. Teams typically employ tools like Voice of the Customer surveys a

The Chi-square test acts as a statistical tool used to assess the relationship between two or more categorical variables. It evaluates whether there is a substantial difference between the observed and expected frequencies in a dataset. The test depends on the concept of chi-square, which represents