The first Define phase of Lean Six Sigma in manufacturing is key for determining a clear scope and project objectivess. It involves meticulously understanding the customer’ requirements and translating them into a measurable problem statement. Teams typically employ tools like Voice of the Customer

The Chi-square test serves as a statistical method used to analyze the relationship between two or more categorical variables. It determines whether there is a meaningful difference between the observed and expected frequencies in a dataset. The test relies the concept of chi-square, which represent