Three-Point Estimation
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High Quality Content by WIKIPEDIA articles! The three-point estimation technique is based on statistical methods, and in particular, the normal distribution. Three-point estimation is the preferred estimation technique for information systems (IS) projects. E is a weighted average which takes into account both the most optimistic and most pessimistic estimates provided. SD measures the variability or uncertainty in the estimate. In Project Evaluation and Review Techniques (PERT) the three values are used to fit a Beta distribution for Monte Carlo simulations.

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High Quality Content by WIKIPEDIA articles! The three-point estimation technique is based on statistical methods, and in particular, the normal distribution. Three-point estimation is the preferred estimation technique for information systems (IS) projects. E is a weighted average which takes into account both the most optimistic and most pessimistic estimates provided. SD measures the variability or uncertainty in the estimate. In Project Evaluation and Review Techniques (PERT) the three values are used to fit a Beta distribution for Monte Carlo simulations.