Six Sigma Lean questions with correct answers

What is Six Sigma? Correct Answer-A "sigma" is a term used to denote variance from the mean average of an event. Six Sigma originally referred to the ability of manufacturing processes to produce a very high proportion of output within specification. Six Sigma is an improvement methodology which uses the following phases to make changes to any process: Defining, Measuring, Analyzing, Improving, and Controlling. Six Sigma measures the capability of a process to perform defect-free work with a failure rate of 3.4 parts per million or 99.9997%. The goal of Six Sigma is improved process performance and increased customer satisfaction through variation and defect reduction, resulting in consistently producing high quality services, products, or processes. How to reduce poor quality? Correct Answer-1. Understanding who your customers are and what is important to them 2. Understanding customer feedback, called the Voice of the Customer, and determining the necessary requirements for your product 3. Prioritizing issues related to your product Determining internal processes and what causes variation