- 1 Introduction to Six Sigma Wiki
- 2 As Is Process Map
- 3 To Be Process Map
- 4 Affinity Diagram
- 5 Analyze Phase (DMAIC)
- 6 Balanced Scorecard
- 7 Baseline Measures
- 8 Best Practice
- 9 Black Belt
- 10 Both/And
- 11 Box Plot
- 12 Critical to Quality (CTQ)
- 13 Cause and Effect Diagram (Fishbone/Ishikawa)
- 14 Charter
- 15 Checksheet
- 16 Common Cause Variation
- 17 Complexity Matrix
- 18 Continuous Data
- 19 Control Phase (DMAIC)
- 20 Control Chart
- 21 Correlation
- 22 Cost of Poor Quality (COPQ)
- 23 Process capability (Cpk or Cp)
- 24 Criteria Matrix
- 25 Customer
- 26 Customer Requirements
- 27 Cycle Time
- 28 Define, Measure, Analyze, Design, and Verify (DMADV)
- 29 DMAIC
- 30 DMAIC 1 Training
- 31 DMAIC 2 Training
- 32 DMAIC 3 Training
- 33 DMAIC Project
- 34 Defects Per Million Opportunities (DPMO)
- 35 Dashboard (or Process Scorecards)
- 36 Data Collection Plan
- 37 Decision Tree
- 38 Defect
- 39 Defect Opportunity
- 40 Defective
- 41 Define Phase (DMAIC)
- 42 Deployment Process Map
- 43 Descriptive Statistics
- 44 Design for Six Sigma (DFSS)
- 45 Discounted Cash Flows (DCF)
- 46 Discrete Data (Attribute Data)
- 47 Division Six Sigma Council
- 48 Documentation
- 49 e-Six Sigma Project Tool (eTool)
- 50 Effectiveness
- 51 Efficiency
- 52 External Failure
- 53 Failure Modes and Effects Analysis (FMEA)
- 54 Fishbone Diagram
- 55 Five Whys
- 56 Force Field Analysis
- 57 Frequency Plot or Histogram
- 58 Functional Map
- 59 Future Focused Cause and Effect
- 60 Gantt Chart
- 61 Global Six Sigma Council
- 62 Goal Statement
- 63 Green Belt
- 64 Handoff
- 65 Hawthorne Effect
- 66 Histogram or Frequency Plot
- 67 Hypothesis Statement
- 68 iDMAIC
- 69 Internal Rate of Return (IRR)
- 70 Impact/Effort Matrix
- 71 Implementation Plan
- 72 Improve Phase (DMAIC)
- 73 Innovation Transfer
- 74 Input
- 75 Input Measures
- 76 Ishikawa Diagram
- 77 Kano Analysis
- 78 Leading Six Sigma Training (LSS)
- 79 Leading Teams Training (LT)
- 80 Learning Cycle
- 81 Learning Map
- 82 Master Black Belt (MBB)
- 83 Measure (General Definition)
- 84 Measure Phase (DMAIC phase)
- 85 Moment of Truth
- 86 Multiple Regression
- 87 Multivoting
- 88 Net Present Value (NPV)
- 89 Non-value-adding Activities
- 90 Operational Definition
- 91 Optional Best Practices
- 92 Original Team (Original DMAIC/Quick Hit Project Team)
- 93 Output
- 94 Output Measures
- 95 Pareto Principle and Chart
- 96 Pilot
- 97 Plan-Do-Check-Act (or PDCA)
- 98 Poka-Yoke
- 99 Precision
- 100 Preliminary Plan
- 101 Process
- 102 Process Owner
- 103 Process Capability
- 104 Process Improvement
- 105 Process in Control
- 106 Process Management
- 107 Process Map or Flowchart
- 108 Process Measures
- 109 Process Redesign
- 110 Project Definition Form (PDF)
- 111 Project Management
- 112 Project Nomination (iDMAIC)
- 113 Project Selection (iDMAIC)
- 114 Project Sponsor
- 115 Project Rationale
- 116 Property Six Sigma Council
- 117 Proportion Defective
- 118 Propose
- 119 Quick Hit Project
- 120 RACI Matrix
- 121 Return on Investment (ROI)
- 122 Random Sampling
- 123 Regression
- 124 Repeatability / Reproducibility
- 125 Required Best Practices
- 126 Response Plans
- 127 Reverse Six Sigma
- 128 Revision Plan
- 129 Rework Loop
- 130 Risk Management
- 131 Rolled Throughput Yield
- 132 Run Chart (or time plot, trend chart)
- 133 SIPOC
- 134 Six Sigma
- 135 Six Sigma Council Training
- 136 Six Sigma Councils
- 137 Statistical Process Control (SPC)
- 138 Sampling
- 139 Sampling Bias
- 140 Scatter Plot or Diagram
- 141 Scope
- 142 Simple Linear Regression
- 143 Solution Statement
- 144 Special Cause Variation
- 145 Stakeholder Analysis
- 146 Standard Deviation
- 147 Standard Operating Procedure (SOP)
- 148 Storyboard
- 149 Stratification
- 150 Sub-process
- 151 Supplier
- 152 Systematic Sampling
- 153 Team Leader
- 154 Team Member
- 155 Tollgate
- 156 Transfer Team
- 157 Transfer Team Leader (Process Owner/Department Head)
- 158 Transfer Team Member
- 159 Transfer Project
- 160 Tree Diagram
- 161 Trend Chart
- 162 Value Adding Activities
- 163 Value-enabling Activities
- 164 Variation
- 165 Voice of the Customer (VOC)
- 166 WACC
- 167 Web-based Event (Required and Optional Best Practices)
- 168 Yield
Introduction to Six Sigma Wiki
Learners’ advantage, we have recorded down a couple of assets in our Assets segment.
Given underneath is a glossary of terms regularly utilized as a part of the space of Six Sigma:
As Is Process Map
To Be Process Map
A delineation of a better than ever form of a procedure, utilized as a part of DMAIC and iDMAIC projects, where all non-esteem included advances are removed.
An fondness graph is a device for sorting out huge amounts of data from many people. Usually utilized with conceptualizing and other innovative reasoning exercises. The ideas are typically composed on sticky notes, at that point arranged into groupings of similar ideas.
Analyze Phase (DMAIC)
Analyze stage distinguishes the underlying drivers of the issue and affirms them with data.
It categorizes ongoing measures into a few significant areas such as finance, process, people, and innovation. It is used as a presentation tool to update sponsors, senior management, and others on the progress of a business or process; also useful for process owners.
Data that reflects the performance level that exists at the beginning of an improvement project, before any solutions are initiated. It is the “Before” snapshot to be compared later with the “After” view.
A completed project (usually, but not always a Six Sigma project) that is particularly valuable for use in other properties based on meeting the following three conditions: success, transferability, and Speed of benefit realization.
An associate fully assigned to Six Sigma and trained in the DMAIC methodology, analytical tools, and team leadership skills. Black Belts are responsible for guiding DMAIC projects to completion. They lead DMAIC projects, assist with Quick Hits, and provide coaching and expert support for iDMAIC transfer projects. Their role in Best Practice and Innovation transfer projects is to assist and coach the Import team on the DMAIC tools and methodology.
It is a narrowing/selection process that seeks to identify solution ideas, which are similar (AND) as well as workable together, even when not similar ideas (BOTH). This technique helps the team seek connections and combinations of ideas to develop better and more workable solutions.
It is a graphic display of groupings of data that compares the groupings to the others on one chart. An example of the tool would be looking at the variation in check-in time by different front desk associates.
Critical to Quality (CTQ)
Refers to what customers consider important in any given process. Collecting Voice of the customer data leads to the discovery of CTQs, which are translated into distinct requirements that can be measured.
Cause and Effect Diagram (Fishbone/Ishikawa)
Brainstorming tool used for proposing root-causes (the “bones of the fish”) for a specific effect (the head of the fish). This can be used in combination with the Affinity Diagram to determine the major categories. Also commonly used in combination with the “5 Whys” technique, in order to help people understand the root cause.
It is a team document defining the context, specifics, and plans of an improvement project. It includes business case, problem and goal statements, constraints and assumptions, roles, preliminary plan, and scope.
Forms, tables, or worksheets that are set up ahead of time for people to use in data collection; it allows for collection of stratified data in a consistent way.
Common Cause Variation
It is normal, everyday influence on a process. This form of variation is usually harder to eliminate and requires changes to the process. Problems from common causes are referred to as “chronic pain”.
A tool used to assist teams in determining the level of complexity of a project.
Any quantity measured on a continuous scale that can be infinitely divided; primary types include time, dollars, size, weight, temperature, and speed.
Control Phase (DMAIC)
Control phase in DMAIC evaluates the solutions and the plan, standardizes the solutions, and outlines the steps for ongoing improvements including opportunities for using the solutions elsewhere.
It is a specialized graph that shows process performance over time, shows average upper and lower control limits and helps determine the influences of common (usual) causes or special (unusual) causes.
It is a measure of the degree to which two variables are related. It is calculated to quantify the strength of the relationship between the two variables.
Cost of Poor Quality (COPQ)
It is a financial measure depicting the impact of problems due to internal and external failures in the process which includes labor and material costs for handoffs, rework, waste or scrap, inspection, and other non-value-adding activities.
Process capability (Cpk or Cp)
Process capability is the degree to which a process can meet customer requirements.
It is a decision-making tool used when potential choices must be weighed against key factors such as cost, ease to implement, impact on customer, etc. It encourages use of facts, data, and clear business objectives in the decision-making.
It is an internal or external person/organization who receives the output product or service of the process.
They define the needs and expectations of the customer; translated into measurable terms and used in the process to ensure compliance with the customers’ needs.
The time it takes to complete a process from start to finish. It includes actual work time and waiting time.
Define, Measure, Analyze, Design, and Verify (DMADV)
It describes the application of Six Sigma tools for designing new products and processes.
Acronym for a Process Improvement/Management System that stands for Define, Measure, Analyze, Improve, and Control; lends structure to Process Improvement, Design or Redesign applications.
DMAIC 1 Training
It is DMAIC training for Master Black Belts, Black Belts and Green Belts. This course begins the Six Sigma problem-solving methodology (DMAIC), focusing on first steps of Define, Measure and a portion of Analyze.
DMAIC 2 Training
It is DMAIC training for Master Black Belts, Black Belts and Green Belts. This course is the conclusion of DMAIC method, finishing Analyze, Improve, and Control.
DMAIC 3 Training
It is DMAIC training for Master Black Belts. This course deepens the participant’s mastery of problem solving and statistical tools.
Projects that follow the DMAIC methodology led by a Black Belt; is generally goes for a duration of 3-4 months and can cross functional boundaries. A DMAIC project focuses on improving an existing process using the 5 steps Define, Measure, Analyze, Improve, and Control.
Defects Per Million Opportunities (DPMO)
Calculation used in Six Sigma initiatives to show how much “better” or “worse” a process is by indicating the amount of defects in a process per one million opportunities.
Dashboard (or Process Scorecards)
It is a graphical tool that provides a summary update on key indicators of process performance. It can include “alarms” to show if and when a key indicator is nearing a problem level.
Data Collection Plan
It is a structured approach to identifying the required data to be collected and the approach to collecting it. It includes: the measure, the measure type, data type, operational definition, and the sampling plan if new data is necessary.
Used during the Six Sigma Council process to determine project selection weighting. It focuses properties on the area (either Revenue, cost Reduction or ASI, GSI) that needs the greatest attention to achieve overall property goals.
It is any instance or occurrence where the product or service fails to meet customer
It is a potential defect on a unit of importance to the customer.
It is any unit with one or more defects.
Define Phase (DMAIC)
It is the first phase of DMAIC, where the project’s purpose and scope are defined. Background information on the process and customer is collected. The output of this phase includes a clear statement of the improvement (i.e. business case and Project Definition Form), a high-level map of the process (SIPOC), and a list of what is important to the customer.
Deployment Process Map
A map or graphical view of the steps in a process shows the sequence as it moves across departments, functions, or individuals.
It is a statistical profile of the collected data which includes measures of averages, variation, and other numbers which help team members assess “how bad” a problem is and to pinpoint where to focus further analysis and solutions.
Design for Six Sigma (DFSS)
Describes the application of Six Sigma tools to product development and Process Design efforts with the goal of “designing in” Six Sigma performance capability.
Discounted Cash Flows (DCF)
A method of financial analysis that allows comparisons of dissimilar projects on the basis of their overall value in today’s dollars. DCF converts future cash flows into equivalent current dollar equivalents.
Discrete Data (Attribute Data)
It is any data not quantified on an infinitely divisible scale. Includes a count, proportion, or percentage of a characteristic or category
Division Six Sigma Council
Leadership group (Presidents and direct reports, Division Six Sigma leader, AMDs, and often MBBs and GMs) guiding the implementation of quality and Six Sigma within the division; establishes, reviews, and supports the progress of Six Sigma DMAIC and iDMAIC projects. The Division Council is responsible for driving the Six Sigma initiative within that division and is accountable for project, process and business results.
Documentation is a historical account of the activities and decisions made throughout a DMAIC project, Quick Hit, and iDMAIC project, which is used to facilitate sharing of best practices across an organization and as part of the project close-out process.
e-Six Sigma Project Tool (eTool)
Online database capturing project (DMAIC, Quick Hit, and iDMAIC) information including the proposed project goals, problem statement, projected cost and benefits, as well as tollgate documentation information from each phase of DMAIC and iDMAIC projects.
It is a measure related to how well the process output meets the needs of the customer. It links primarily to customer satisfaction.
It is a measure related to the quantity of resources used in producing the output of a process.
It is when defective units pass all the way through a process and are received by the customer.
Failure Modes and Effects Analysis (FMEA)
A useful technique for preventing future problems and reducing risks to a solution. Used to identify and assess errors & defects which could result in a threat to quality, safety or reliability; it is useful in implementing improvements, redesign or design of processes. It is also a tool for process owners to build prevention and contingency steps into the project plan.
See Cause and Effect Diagram.
Five Whys are often used to generate a cause and effect. It is the technique of asking “Why” five times in order to dig into each potential cause. “Why” is asked until the root cause is revealed.
Force Field Analysis
It involves a list of the factors that support and factors that “hurt” an idea; “restraining” factors are listed on one side of the page and “driving forces” listed on the other.
Frequency Plot or Histogram
It is a graphical representation of the shape or distribution of the data by showing how often different values occur. It helps to answer the question: “Is the process capable of meeting my customer requirements”.
See Deployment Process Map.
Future Focused Cause and Effect
A traditional cause and effect diagram used for brainstorming future actions employed during the Improve phase of a DMAIC project.
It is a project planning and management tool that displays all the tasks or activities associated with a project or initiative as well as the relationships/dependencies between these tasks.
Global Six Sigma Council
Leadership group (Starwood’s Senior Operating Committee and Division Presidents) guiding the implementation of quality and Six Sigma within the organization, which establishes, reviews, and supports the progress of Six Sigma DMAIC and iDMAIC projects. The Global Six Sigma Council is responsible for designing and driving Six Sigma throughout Starwood.
Description of the intended target or desired results of Process Improvement or Design/Redesign activities; usually outlined during the proposal phase of the PDF, revised in the Define phase of a DMAIC project and supported with actual numbers and details once data is obtained.
Associates trained to the same level as Black Belts, but not on full-time assignment to Six Sigma. They may do DMAIC projects, lead smaller Six Sigma projects on a part-time basis, serve on larger projects as team members, and/or undertake implementation of Quick Hits or Innovation Transfer projects.
Any time in a process when one person (or job title) or group passes the item moving through the process to another person; a handoff has the potential to add defects, time, and cost to a process.
It is an increase in worker productivity that results from the psychological stimulus of being temporarily singled out and made to feel important.
Histogram or Frequency Plot
See Frequency Plot.
It is the complete description of the suspected causes of a process problem.
iDMAIC stands for “Innovation DMAIC”. iDMAIC is a methodology designed to ensure consistent and rapid transfer of innovation throughout Starwood. Innovations can be DMAIC projects, Quick Hits, or other Starwood Innovations.
Internal Rate of Return (IRR)
It is a way to compare potential projects by calculating the financial value of a project against the investment required.
A graphical representation of different projects plotted along two axes (Y = Impact, X = Effort). It is a project selection tool that allows comparison of dissimilar projects during the project selection portion of the SSC process.
A project management tool used in the “Improve” stages of DMAIC and iDMAIC, compiling tools such as Stakeholder Analysis, FMEA, Poka-yoke, SOPs and pilot results (if conducted) in a consolidated format.
Improve Phase (DMAIC)
The goal of Improve phase is to pilot and implement solutions that address root causes. This step helps to eliminate any errors/false starts when the team finally implements the solution.
The successful transfer of a new idea, method or solution from one property to another may be a Quick Hit, Best Practice, or any other innovation.
It is any product, service, or piece of information that comes into the process from a supplier.
Measures related to and describing the input into a process; can be predictors of process and output measures.
See Cause and Effect.
It is a graph of how customer satisfaction is effected by a particular problem, change, or other variable. The graph is divided into three regions of customer reactions to the variable: “Dissatisfiers”, “Satisfiers”, and “Delighters”.
Leading Six Sigma Training (LSS)
It is an introductory course for top-management to Six Sigma at Starwood, the Six Sigma problem-solving methodology (DMAIC), and the project selection process.
Leading Teams Training (LT)
It is a Team Leadership workshop designed to give participants the necessary skills to be able to lead teams in a challenging environment. The participants, Master Black Belts, Black Belts, and Green Belts are also introduced to the Six Sigma problemsolving methodology (DMAIC) and the project selection process.
An individual and team based learning exercise that helps individuals identify their own and others’ views on the team decision making process and the team’s overall performance.
It is an experiential, accelerated, and high-involvement learning activity to introduce Six Sigma concepts and the initiative at each Starwood property. It consists of a table-sized visual “Six Sigma: Innovation and Improvement” map and a set of cards that direct the participants through a discovery learning activity.
Master Black Belt (MBB)
It is a Six Sigma business champion and coach for Black Belts. The MBB is trained in the DMAIC process, analytical tools, and facilitation skills. The MBB is responsible for project selection for the Property and Area, ensuring that the DMAIC process is being implemented, and that all projects are on-track towards completion.
Measure (General Definition)
It is a numerical evaluation of based on observable data. A few examples of measures could be number of new reservations per day, the number of check-ins per week, the number of employees scheduled per shift.
Measure Phase (DMAIC phase)
The Measure phase focuses the improvement effort by gathering information on the current situation.
Moment of Truth
It is any event or point in a process when the internal/external customer comes in contact with a process. At each of these points the customer has an opportunity to form an opinion (positive, neutral, or negative) about the process or organization.
It is quantitative method relating multiple factors to the output of a process. The statistical study of the relationship of a combination of multiple variables (X1, X2 X3…Xn) to a single output Y.
It is a narrowing or prioritization tool. Faced with a list of ideas, problems, causes, etc., each member of a group is given a set number of “votes”. Those items or issues receiving the most votes get further attention/consideration.
Net Present Value (NPV)
It is the equivalent value in today’s dollars of a stream of future cash flows. NPV calculation seeks to quantify the concept that money received in the future is worth less than money received today.
Any step in a process that do not add value to the customer or process. For example, rework, handoffs, inspection, delays, etc.
A clear, precise definition of the factor being measured or the term being used; ensures a clear understanding of terminology and the ability to collect data or operate a process consistently.
Optional Best Practices
A completed project usually, but not always a Six Sigma DMAIC or Quick Hit project, that is particularly valuable for use in other properties.
Original Team (Original DMAIC/Quick Hit Project Team)
It is the team that originated and completed the original process improvement project (DMAIC or Quick Hit) in their property. The role of the Original Team is to ensure proper project documentation to ease transfer and to provide advice, clarification and assistance to teams importing their project.
It is any product, service, or piece of information coming out of, or resulting from, the activities in a process.
These are the measures related to and describing the output of the process; total figures/overall measures.
Pareto Principle and Chart
A Pareto Chart is a data display tool based on Pareto Principle; or 80/20 rule. It is used to help a team focus on the specific causes or issues that have the greatest impact if solved.
It is the trial implementation of a solution on a limited scale to ensure its effectiveness and test its impact.
Plan-Do-Check-Act (or PDCA)
It is basic model or set of steps in continuous improvement; also referred to “Shewhart Cycle” or “Deming Cycle”.
Poka-Yoke is a Japanese term for “mistake proofing”. Mistake proofing typically looks at every step in the process in detail, and uses creative thinking to develop ways to keep errors from occurring.
It is the accuracy of a measurement. When used in reference to sampling, this entails how much of change you need to be able to detect. As the need for precision increases, so does the sample size.
It is used in the early phase of a project, while developing milestones for team activities related to process improvement; includes key tasks, target completion dates, responsibilities, potential problems, obstacles and contingencies, and communication strategies.
It is a series of steps or actions that lead to a desired result or output. A set of common tasks that creates a product, service, process or plan that will satisfy a customer or group of customers.
Process owners are the responsible individuals for a specific process.
Statistical measures that summarize how much variation there is in a process relative to customer specifications.
Improvement approach focused on incremental changes, involves solutions to eliminate or reduce defects, costs, or cycle time; leaves basic design and assumptions of a process intact.
Process in Control
A statistical concept indicating that a process is operating within an expected range of variation and that variation is being influenced mainly by “common cause” factors; processes operating in this state are referred to as “in control”.
It involves defining and documenting a process, monitoring it on an ongoing basis to ensure that measures are providing feedback on the flow/function of a process; key measures include financial, process, people, and innovation.
Process Map or Flowchart
Graphic display of the flow or sequence of events that a product or service follows; it shows all activities, decision points, rework loops, and handoffs.
It is a measure related to individual steps in the process and/or the overall process; can be predictors of output measures.
It is a method of restructuring a process by eliminating handoffs, rework, inspection points, and other non-value-adding activities; typically means a “clean slate” design and accommodates major changes or improvements.
Project Definition Form (PDF)
It is the summary of pertinent information that describes a Six Sigma project. This includes problem statement, goal statement, scope, business case, financial benefits and costs, project timing, resource requirements, measures, etc
It is the use of tools, techniques, and/or software to track a project and prevent barriers to on-time success.
Project Nomination (iDMAIC)
A Black Belt, MBB, Sponsor, or General Manager associated with a project nominates the project for Innovation Transfer, using the e-Six Sigma project tool. The nominator evaluates the project.
Project Selection (iDMAIC)
During quarterly review meetings, each Division Council reviews all projects that have been nominated as best.
This is a member of the executive committee, strong advocate of the project and can assist with barriers that may come up.
It is a broad statement defining area of concern or opportunity, including impact/benefit of potential improvements, or risk of not improving a process; links to business strategies, the customer, and/or company values.
Property Six Sigma Council
It is the governing group responsible for project selection and status monitoring at each Starwood property. The members of the SSC are the General Manager, the Executive Committee and the Black Belt.
Percentage (or fraction such as 1/8) of defective units; number of defective units divided by the total number of units.
It is the very first phase in the lifecycle of a Six Sigma project (DMAIC or Quick Hit) in which the potential project idea or opportunity is proposed to the property Six Sigma Council.
Quick Hit Project
It is a small project that can be quickly implemented and that does not require a Black Belt to resolve and implement.
A project management tools that identifies all required tasks or activities, the parties are involved in those tasks as well as their level or type of involvement.
A RACI is used to ensure clarity on roles and responsibilities in a team environment.
Return on Investment (ROI)
It is a measure of the financial returns from an investment opportunity, expressed as a percentage. All else being equal, projects with a larger ROI are more attractive investment opportunities.
It is a method that allows each item or person chosen to be measured, to be selected completely by chance.
It is the statistical study of relationships. An analytical tool that allows an assessment of a key outcome and extent to which one or more factors being studied can explain the variation in results see also Simple Linear Regression; Multiple Regression.
Repeatability / Reproducibility
Repeatability means that the same person taking a measurement on the same unit gets the same result. Reproducibility means that the other people, other instruments or other labs get the same result you get when measuring the same item or characteristic.
Required Best Practices
A project designated by the division or global leadership team that delivers superior performance when implemented across a class of properties. “Required” means that all properties in a “class” must implement the best practice by a specified point in time.
The plans that are developed during the “Control” phase for DMAIC and iDMAIC projects to ensure that the gains achieved can be maintained.
Reverse Six Sigma
This is a method which can be used by MBBs (and BBs) in times of financial contingency to help guide restructuring discussions
A mechanism for updating processes, procedures, and documentation.
It is an instance in a process when the item or data moving through the process needs correction by returning it to a previous step in the process.
Risk management is thinking ahead, identifying potential problems, and preparing for things that may go wrong.
Rolled Throughput Yield
The cumulative calculation of defects through multiple steps in a process; calculated as the product of the individual yield at each step.
Run Chart (or time plot, trend chart)
Measurement display tool showing variation in a factor over time; indicates trends, patterns, and instances of special causes of variation.
A SIPOC is a high-level process map that includes Suppliers, Inputs, Process, Outputs, and Customers, and defines the start and end points of a process.
It is a term used to describe process improvement initiatives using sigma-based process measures and/or striving for Six Sigma-level performance.
Six Sigma Council Training
A course designed to enable property Executive Committees and senior leaders to make value-driven decisions by identifying, prioritizing, and sizing projects for their
Six Sigma Councils
It is a leadership group that guides the implementation of quality or Six Sigma within an organization; establishes, reviews, and supports the progress of quality improvement teams.
Statistical Process Control (SPC)
It is use of data gathering and analysis to monitor processes, identify performance issues, and determine variability/capability.
Collecting and using a portion of all of the data to draw conclusions (for example, timing the check-in process for every tenth guest).
It is collecting an unrepresentative “slice” of data that leads to inaccurate conclusions.
Scatter Plot or Diagram
It is the graph used to show the relationship or correlation between two factors or variables.
It defines the boundaries of the process; clarifies specifically where the start and end points for improvement reside, defines where and what to measure and analyze and needs to be within the sphere of control of the team, working on the project.
Simple Linear Regression
The statistical study of the relationship between a single variable X to a single output Y.
A clear description of the proposed solution used to evaluate and select the best solution to implement.
Special Cause Variation
It is an event that impacts processes only under “special” circumstances i.e., not part of the usual, daily operation of the process.
Identifies all stakeholders impacted by a project and their anticipated and required levels of support for the project. Typical stakeholders include managers, people who work in the process under study, other departments, customers, suppliers and finance.
Standard Deviation is an indicator of the amount of variation or inconsistency in any group of items or processes.
Standard Operating Procedure (SOP)
A document that compiles all procedures, job tasks, scripts of interactions with customers or others, data collection instructions and forms, and an updated list of resources to be consulted for clarification of procedures.
It is a visual display outlining the highlights of a project and its components leading the team to a solution.
Stratification means dividing data into groups based on key characteristics. The purpose of dividing data into groups is to detect a pattern that localizes a problem and explains why the frequency of impact varies between times, locations or conditions.
It is a sub-component of a larger process.
It is a person or an organization that feeds inputs (products, services, or information) into the process.
Sampling method in which elements are selected from the population at a uniform level Systematic or subgroup sampling ensures the sample represents the process because each time period is represented.
For DMAIC projects, the team leader is usually the Black Belt. For Quick Hit and iDMAIC projects, it is typically the Sponsor or Process Owner. For large DMAIC projects with more than one BB or MBB, the Team leader is the main point of contact for the project.
It is an active member of a Six Sigma Project team, heavily involved in the measurement, analysis, and improvement of a process.
It is a review session that determines whether activities up to that point in a project have been satisfactorily completed. Tollgates are commonly conducted to review critical decisions during a project.
Team formed at a property, with responsibility for importing a Best Practice (Optional or required), led by a Team leader appointed by the property Six Sigma Council, and coached by the Black Belt at the property when needed. Transfer teams will use the iDMAIC methodology to import innovation into their properties.
Transfer Team Leader (Process Owner/Department Head)
A person selected by the GM and property Six Sigma Council to lead an iDMAIC project based primarily on proximity and decision-making authority relative to the process involved. This person has primary responsibility for implementing the project, leading the team, and interacting with others to gather information and understanding necessary to succeed. Often, the transfer team leader will be the department head or process owner of the process being improved with the best practice. The ability to lead the team and to anticipate clear barriers are important characteristics for a person in this role.
Transfer Team Member
Associates selected by the Transfer Team Leader and Six Sigma Council to serve on the iDMAIC project based on their knowledge of key aspects of the process, experience with the current process, enthusiasm for improvement, and ability to champion change.
It is a project that a property imports from another property.
It is a branching diagram used to break any broad goal into increasingly detailed levels of actions.
See Run chart.
Value Adding Activities
These are the activities introduced to improve the current process closer to the ideal process.
Steps/tasks in a process allowing work to move forward; can also be viewed as necessary steps that are not themselves adding value but that contribute to the delivery of the product or service. Examples include selecting new employees, purchasing supplies, and balancing the books.
These are the changes or fluctuations that determine how stable or predictable a process may be or affected by environment, people, equipment, methods, measurements, and materials.
Voice of the Customer (VOC)
It is a systematic approach to gather and analyze customer requirements, expectations, level of satisfaction and dissatisfaction through complaints, surveys, comments, market research, focus groups and interviews.
Weighted Average Cost of Capital used to compare the value of 2 or more potential projects. Discount rate used in financial analysis. Represents the average cost for a company to finance itself from equity and debt. In 2002, this rate was 12%, and was used for all Six Sigma projects and locations.
Web-based Event (Required and Optional Best Practices)
It is a web-based kick-off communication from the Export team, to the transfer Team featuring a well-documented presentation of their Best Practice project. The event can be synchronous (participation to a live event) or asynchronous (review of a recorded event).
Total number of units handled correctly through the process steps, typically expressed as a percentage. Yield simply indicates how many items were delivered at the end of the process with no defect.
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