Regression Analysis - A statistical tool for understanding the relationship between output and input variables, and making predictions based on the relationship.ĥS - A five-step method for keeping workplaces orderly and for motivating workers to maintain discipline and optimal process/workflow conditions. Also called cause-and-effect or Ishikawa diagram, fishbone diagrams are often used during brainstorming sessions. The method prescribes asking “why” a problem occurs five times in succession to sift through mere symptoms and eventually zero in on the real factor that causes the problem.ĭesign of Experiments - A systematic technique for testing the relationships between different factors with the purpose of creating the best-case design (i.e., optimal performance of features and functions) for a process or system.įishbone Diagram - A visualization technique for mapping all possible causes of a problem based on logical categories, with the aim of identifying root causes. It helps determine where the bulk of defects occur, effectively clarifying the cause and effect of problems and identifying the specific area that needs improvement the most.ĥ Whys Analysis - A straightforward method for determining the root cause of a problem. Pareto Chart - A histogram that shows the relative significance/impact of defects or variances in a system.It is often used to a) identify which factors contribute most to the occurrence of a problem, and b) determine the capability of a process to consistently generate an acceptable output. Histogram - A bar chart that shows frequency distribution or variation in a data set. It is originally a lean management tool for mapping all the activities needed to create a product and get it into the hands of the end-customer. Value Stream Map - A very detailed type of process flow chart that visualizes all the steps in a process that are required to deliver value from start to finish.TAKT Time - The rate (expressed in time units) at which a business needs to complete a product to meet customer demand. This matrix outlines all the roles and responsibilities related to every activity/task in a process or project. RACI Matrix - Acronym for Responsible, Accountable, Consulted, and Informed. While a project charter plays a major role in the Define phase of DMAIC, it also serves as a tool in the Control stage. Project Charter - A document primarily used in project management that sets the parameters of a process improvement project. This top-level diagram lends clarity to an improvement project and brings everyone on the same page. Process Flow Charts - A commonly used visual aid that shows the steps or stages of a process. The effectivity of specific tools and techniques depends heavily on their fitness when it comes to an organization’s unique situation, business model, and corporate culture.įailure Mode & Effects Analysis ( FMEA) - A model that helps professionals analyze and prioritize weaknesses and potential defects of a design or process based on factors such as severity and frequency of occurrence. Many were used in business analysis, relationship visualizations, project management, and other fields. Many of the techniques and tools used by Lean Six Sigma practitioners have been around well before the process improvement method was formalized. For the most part, these tools and techniques relate to specific stages in the improvement cycle denoted as DMAIC (Define, Measure, Analyze, Improve, Control).Ģ0+ powerful tools and techniques in Lean Six Sigma So let's go over Lean Six Sigma tools and techniques you need to know.Īs a data-driven method, Lean Six Sigma uses precise tools and techniques to identify challenges, solve problems, and attain business goals. Lean Six Sigma evolved from the fusion of two related disciplines - lean manufacturing and Six Sigma - that have successfully achieved dramatic improvements in the profitability of organizations across different industries. Developed to sustain customer satisfaction and deliver high-quality output, Lean Six Sigma is a process improvement method that harnesses teamwork to systematically boost operational efficiencies and reduce waste.
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