In this world nothing is difficult. If you are passionate about something and are ready to put dedication and hard work over. You can crack anything.  However, Six Sigma black belt exam is tough and laborious when we compare it from another levels of exam such as Six Sigma green belt, Six Sigma yellow belt, and others.  Although this exam is tough, but the difficulty level absolutely depends on your preparation. Six Sigma black belts has a good understanding of DMAIC method (Define, Measure, Analyze, Improve and control.) Which makes learner to get deeper understand of course and emerge as grate professional.  Get Certified Now This makes learner understand and identify the improvement opportunity. Thus this is one of the most important certification since it combines technical and social abilities. Pre-requisites for Six Sigma Black belt For Six Sigma black belt certification, you don’t need green belt or white belt certificate and any other Six Sigma Certificate. You need to have t