Lean six sigma is a process improvement methodology that uses facts, data and statistical analysis for improving quality, productivity, profitability and market competitiveness for any corporation. Lean six sigma helps to achieve supply chain efficiency and effectiveness by delivering goods and services at the lowest cost by having the right inventory processes on hand, easily accessible to customers to ensure that they leave the business premises happily.
Customer satisfaction may result in increased revenue and creates better coordination between vendors and business partners alike. Lean is about speed, flow and the elimination of waste. Six Sigma focuses on reducing variation from the process, statistically speaking, six sigma is an understanding of 3.4 defects per million opportunities. It is about to mean and specification limits, how many sigma (standard deviation) you can fit between data, mean and specification limits to determine what sigma level procedures a company operating upon.