Template:Aw mean: Difference between revisions

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====The Mean or MTTF====
#REDIRECT [[Distributions_Used_in_Accelerated_Testing#The_Weibull_Distribution]]
The  mean,  <math>\overline{T},</math>  of the 2-parameter Weibull  <math>pdf</math>  is given by:
 
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::<math>\overline{T}=\eta \cdot \Gamma \left( \frac{1}{\beta }+1 \right)</math>
 
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where  <math>\Gamma \left( \tfrac{1}{\beta }+1 \right)</math>  is the gamma function evaluated at the value of  <math>\left( \tfrac{1}{\beta }+1 \right)</math> .
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Latest revision as of 01:46, 16 August 2012