Six Sigma Green Belt Exam Prep

Answer: C - The 5why method is a question-asking technique that helps reach the root cause of a business or manufacturing problem.
Key Takeaway: The 5why method for exploring the root cause of a business or manufacturing problem. It is based on the understanding that by the fifth ‘why’, major aspects of the root cause of the problem will already be revealed, such as what may be causing low productivity in a waste management facility.