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 Six Sigma Courses inside the USA
Six Sigma and Lean courses in Austin, Atlanta, Baltimore, Boston, Chicago, Dallas, DC, Hawaii, Houston, Jersey City, Las Vegas, Los Angeles, Minneapolis, Orlando, Phoenix, San Diego, San Francisco, San Jose, Tampa, more |
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Six Sigma Courses Outside the USA
Six Sigma and Lean courses in Alberta, Bangkok, Brussels, China, Dubai, India, Indonesia, Japan, Lisbon, Malaysia, Milan, Prague, Singapore, South Africa, Switzerland, Taiwan, Toronto, Vancouver, more |
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Learn Online Self-Paced
DMAIC
• Define
• Measure
• Analyze
• Improve
• Control |
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Key Terms
A-C D-G H-L M-O P Q R S T-Z
This page has only terms beginning with an R.
| Term |
Definition |
| Random sampling |
Method that allows each item or person chosen to be measured is selected completely by chance. |
| Reengineering |
Design or redesign of business; similar to Process Redesign, though in practice usually at a much larger scale or scope. |
| Repeatability |
Measurement stability concept in which a single person gets the same results each time he/she measures and collects data; necessary to ensure data consistency and stability. See also Reproducibility. |
| Reproducibility |
Measurement stability concept in which different people get the same results when they measure and collect data using the same methods; necessary to ensure data consistency and stability. See also Repeatability. |
| Revision plans |
A mechanism (process) for updating processes, procedures, and documentation. |
| Rework loop |
Any instance in a process when the thing moving through the process has to be corrected by returning it to a previous step or person/organization in the process; adds time, costs, and potential for confusion and more defects. See also Non-Value-Adding Activities. |
| Rolled throughput yield or RTY |
The cumulative calculation of defects through multiple steps in a process; total input units, less the number of errors in the first process step number of items "rolled through" that step; to get a percentage, take the number of items coming through the process correctly divided by the number of total units going into the process; repeat this for each step of the process to get an overall rolled-throughput percentage. See also Yield. |
| Run chart, or time plot |
Measurement display tool showing variation in a factor over time; indicates trends, patterns, and instances of special causes of variation. see also Control Chart; Special Cause; Variation. |
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