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.
Response Plans
The plans that are developed during the "Control" phase for DMAIC and iDMAIC projects to ensure that the gains achieved can be maintained.
Reverse SIXSIGMA
This is a method which can be used by MBBs (and BBs) in times of financial contingency to help guide restructuring discussions
Revision Plan
A mechanism for updating processes, procedures, and documentation.
Rework Loop
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
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.
SIPOC
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.
SIXSIGMA
It is a term used to describe process improvement initiatives using sigma-based process measures and/or striving for SIXSIGMA-level performance.
SIXSIGMA 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 Black Belts.
SIXSIGMA Councils
It is a leadership group that guides the implementation of quality or SIXSIGMA 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.
Sampling
Collecting and using a portion of all of the data to draw conclusions (for example, timing the check-in process for every tenth guest).
Sampling Bias
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.
Scope
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.
Solution Statement
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.
Stakeholder Analysis
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
Standard Deviation is an indicator of the amount of variation or inconsistency in any group of items or processes.
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