Mind Maps

Software Estimation & Sizing: Frameworks Compared

Mind Maps diagram · made in Skemio

Mind map of Software Estimation Methods covering Relative Sizing, PERT Three-Point, Probabilistic Forecasting, and Uniform Slicing.
Mind map of Software Estimation Methods covering Relative Sizing, PERT Three-Point, Probabilistic Forecasting, and Uniform Slicing.
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What it shows

  • Story points estimate relative complexity, not elapsed calendar hours.
  • PERT calculates expected duration using optimistic and pessimistic bounds.
  • Monte Carlo forecasts velocity probabilistically using historical data.

The takeaway

Stop guessing deadlines with single numbers. Use probabilistic ranges to manage risk.

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