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
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
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 =
Target Output - Speed Losses
Speed Losses can be caused by
- reduced performance due to increasing quality issues of process
- operators not aware(...) Read More
An affinity diagram is a tool that is used to group ideas for a better overview after a brainstorming session.
Transfer data onto cards or post-it notesGroup the(...) Read More
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
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
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
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
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
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