Three-point estimation: Difference between revisions

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Estimation: there is no such thing as a double triangular distribution, the distribution is called PERT, and it is a transformed of the BETA distribution
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==Estimation==
Based on the assumption that a double-[[triangularPERT distribution]]{{What?|date=February 2017|reason=The provided link says nothing about the DOUBLE-triangular distribution.}} governs the data, several estimates are possible. These values are used to calculate an ''E'' value for the estimate and a [[standard deviation]] (SD) as [[L-estimator]]s, where:
 
: ''E'' = (''a'' + 4''m'' + ''b'') / 6