Six Sigma is a method that uses statistics and data analysis to figure out what went wrong and how to fix it. Six Sigma is a method that gives businesses tools to help them improve how well they run their businesses. With this increase in performance and decrease in process variation, it is possible to lower defect rates, boost employee morale, and improve the quality of products or services, all of which lead to a higher level of profitability.
Mastering ITIL-v4 Certification: A Guide to Career Advancement in IT Service Management
ITIL v4 is the fourth version of the IT Infrastructure Library and is an international