Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum (src_forum@alionscience.com )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998

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Original Message:

Posted by: Nicole
Date posted: Fri Nov 15 8:27:57 US/Eastern 2002
Subject: AMSAA or Observed MTBF??
Message:
I encountered a problem during my growth testing. After a period of 1500hrs of testing and i collected 4 failures. Should i use the AMSAA model to compute the results or simply divide the test duration by the number of observed failures? In this case i have only 4 failures so which method is more accurate? The AMSAA model passed the Goodness of Fit Test however. I understand taht AMSAA model is not too suitable when the number of failures are too small right? Please advised?

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