Lean Six Sigma Practice Test Questions with Correct Answers

What is Lean Six Sigma? - It is the network of activities that support the efforts to continually improve on all aspects of the organization, in conjunction with standard accounting practices that demonstrate the impact of continual improvement and variation reduction on the organizations bottom line. - It is a structure and disciplined process designed to deliver perfect products and services on a consistent basis. Aims at improving the bottling line by finding and eliminating the causes of mistakes and defects in business processes. Why do we need LSS? - To continuously improve the processes to control quality and measure the success of such quality and process in order to satisfy the customer in the least amount of money possible in order to improve the bottom line. What does DMAIC stand for? Define, Measure, Analyze, Improve, Control What is a variation? Change in data, function caused by one of four factors What are the three causes of a variable? Special Causes, Common Causes, tampering or Structural Who is Walter Stewart? Creator of the Statistical Quality Control, Brought together the economical, statistical and engineering disciplines. Who is W. Edward Deming? Toyota Model and known as the creator of modern LSS methods. Ford hired him after the 1980's collapse of the US Automotive in the Market. DMAIC - What does Define mean? Define the process that is to be improved The process improvement goals that are consistent with customer demands and company strategy. DMAIC - What does Measure mean? Define the baseline for current process Where you collect the data using a data collection plan DMAIC - What does Analyze mean? Identify gaps between current performance and goal performance Root-cause analysis - in order to brainstorm what is the difference between cause and effects Identify sources of variation