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Quality is measured at the end of production; reliability is measured over time. A part that passes the final inspection may fail after six months: that’s a different issue, and it requires different tools.

Reliability raises three distinct questions, which this menu addresses:

  • How long does my product last? — estimate a lifetime distribution based on feedback or testing; ;
  • How can you prove this before selling? — determine the scope of a demonstration test; ;
  • Are my returns in line with what was expected? — monitor the installed base.

Click the «Data Analysis» menu, then click «Reliability.».