Six Sigma Green Belt Exam Prep

Answer: B - In the long-term, the number of sigmas that will fit between a process mean and the desired specification limit will decrease.
Key Takeaway: Due to a number of factors including machine wear and tear, the number of sigmas that will fit between a process mean and the desired specification limit will decrease. The challenge for managers is to chart this reduction and provide solutions in order to maintain high quality in production standards.