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  • 2-Proportions Test
    The 2-Proportions Test is a test to check whether samples taken from two different conditions are different regarding their proportion. It compares whether the different proportions in two(...) Read More
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  • 5 x Why
    5 x Why (5W) is a questioning technique for identifying the root cause of a problem. (Also view: Root Cause Analysis, Problem Solving). Purpose: To avoid being satisfied with a(...) Read More
  • 5S
    5S is a Lean tool for organizing one’s workplace with the intention of improving work efficiency and performance by demanding a clean, tidy, and perfectly organized workplace where everything(...) Read More
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  • Activity Flowchart
    An Activity Flowchart is a process map that does not just show actions, but also decisions and feedback loops. It is a great tool to show the process complexity, to visualize how a process(...) Read More
  • Actual Output
    Actual Output = Target Output - Speed Losses Speed Losses can be caused by - reduced performance due to increasing quality issues of process product - operators not aware(...) Read More
  • Affinity Diagram
    An affinity diagram is a tool that is used to group ideas for a better overview after a brainstorming session. Step-by-step approach: Transfer data onto cards or post-it notesGroup the(...) Read More
  • Agile Implementation
    To implement complex changes, an iterative, agile implementation approach is more effective than traditional project management of “planning & execution”: Iterating requires to first define(...) Read More
  • Analysis of Variance (ANOVA)
    ANOVA is a hypothesis test to check whether the average differences between groups are significant or only due to random chance. It works when the Y variable is continuous and the X variable is(...) Read More
  • Analyze Phase
    This third phase of the DMAIC Project is all about analyzing the root causes of the problem. The deliverables of the Analyze phase are straight forward: Have you verified the root causes and(...) Read More
  • Appraisal Costs
    Costs that occur because of the need to control products and services to ensure a high quality level in all stages, conformance to quality standards, and performance requirements. E.g. costs(...) Read More
  • Arithmetic Mean
    The arithmetic mean (or average) is a measure of central tendency. It is calculated as the sum of numbers divided by how many numbers are being averaged. Read also: Median,(...) Read More
  • Attribute Agreement Analysis
    The Attribute Agreement Analysis is a Gage R&R Study for discrete data. Step-by-step approach: Take parts representative of the process (usually 30 parts). These parts must contain good(...) Read More
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  • Bar Chart
    The bar chart is used to show frequencies of different categories. This allows comparisons across the different categories. A bar chart can be used to visualize cause-effect relationships(...) Read More
  • Bartlett Test
    The Bartlett-Test is a test for equal variances comparing the variations of more than two groups when the distributions are normal (X in more than two groups). Read also: F-Test,(...) Read More
  • Basic Process Map
    Basic Process Mapping means writing each relevant step on a sticky note and putting it to the wall.Start by asking the Team "What is the start of the process?" and continue asking for the next(...) Read More
  • BB
    Black Belts are experts and leaders for process improvement that master the advanced Lean Six Sigma Toolbox. They know how to set-up effective teams, how to select projects that reflect(...) Read More
  • BBB
    The Black Belt Bridge Course is a Training to bring certified Green Belts to the level of a certified Black Belt. Read also: Green Belt, Black Belt, Master Black Belt Do you want to(...) Read More
  • Bias
    A bias in a measurement system is an offset between the measurement and the master/reference value. The bias of the measurement system can be corrected with calibration.   Read More
  • Black Belt
    Black Belts are experts and leaders for process improvement that master the advanced Lean Six Sigma Toolbox. They know how to set-up effective teams, how to select projects that reflect(...) Read More
  • Black Belt Bridge
    The Black Belt Bridge Course is a Training to bring certified Green Belts to the level of a certified Black Belt. Read also: Green Belt, Black Belt, Master Black Belt Do you want to(...) Read More
  • Blue Sky Vision
    It might start as a dream, but what distinguishes a dream from a vision is the detail of the vision in action, something people can see or envision themselves doing. A Blue Sky Vision(...) Read More
  • BOB & WOW
    BOB & WOW is a basic process analysis tool which stands for "Best of the Best" & "Worst of the Worst"aims to find potential variables by contrasting BOB and WOWallows finding which(...) Read More