What is dispersion in SAP QM - Quality Management?

SAP Term: dispersion

• Component: QM

• Component Name: Quality Management

• Description: Qualitative description for the deviation of characteristic values. Quantitative measurements for dispersion are: Variance Standard deviation Range

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• Key Concepts: 
  Dispersion is a Quality Management (QM) term used to describe the spread of values in a set of data. It is calculated by measuring the difference between the highest and lowest values in a set of data. Dispersion is used to measure the variability of a process or product, and can be used to identify potential areas for improvement. 
  
  How to use it: 
  Dispersion can be used to measure the variability of a process or product. It is calculated by measuring the difference between the highest and lowest values in a set of data. This can be done manually or with software such as SAP Quality Management (QM). The dispersion value can then be used to identify potential areas for improvement. 
  
  Tips & Tricks: 
  When calculating dispersion, it is important to ensure that all data points are included in the calculation. This will ensure that the dispersion value is accurate and can be used to identify potential areas for improvement. Additionally, it is important to consider other factors such as outliers when calculating dispersion, as these can have an impact on the overall value. 
  
  Related Information: 
  Dispersion is closely related to other Quality Management (QM) terms such as standard deviation and variance. Standard deviation measures how much variation there is from the average value, while variance measures how much variation there is from each individual data point. Understanding these terms can help you better understand dispersion and how it can be used to improve processes and products.