The first Define phase of Lean Six Sigma in manufacturing is critical for determining a well-defined scope and project objectivess. It involves carefully understanding the customer’ expectations and translating them into a testable problem statement. Teams typically employ tools like Voice of the Cu

The Chi-square test is a statistical method used to assess the correlation between two or more categorical variables. That measures whether there is a meaningful difference between the observed and expected frequencies in a dataset. The test relies the concept of chi-square, which represents the sum