There are three main levels of study, or ‘Belts’ within the Six Sigma business management and quality theory. These trained and certified professionals work together within this hierarchy to raise quality levels and decrease expense within organizations or corporations.The Black Belt is at the top. These individuals are very experienced in using Six Sigma to assist companies in increasing their productivity and improving quality and standards. The Green Belt is just below the Black Belt. These individuals act as assistants to the Black Belt professional and will sometimes act as leaders if they are qualified and show an interest in becoming a Black Belt at some point. Below the Green Belt is the Yellow Belt. These individuals have a minimal amount of Six Sigma...