IEC 61650:1997 

Reliability data analysis techniques - Procedures for comparison of two constant failure rates and two constant failure (event) intensities


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Specifies procedures to compare two observed - failure rates; - failure intensities; - rates/intensities of relevant events. The procedures are used to determine whether an apparent difference between the two sets of observations can be considered statistically significant. Numerical methods and a graphical procedure are prescribed. Simple practical examples are provided to illustrate how the procedures can be applied.

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Additional information

Publication typeInternational Standard
Publication date1997-08-06
Available language(s)English/French
TC/SCTC 56 - Dependabilityrss
ICS03.120.01 - Quality in general
03.120.30 - Application of statistical methods
Stability date  2022
File size624 KB

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