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Appendix C: Cost Estimating Methodologies

Appendix C: Cost Estimating Methodologies

Appendix C Cost Estimating Methodologies C-2 February 2015 Figure C-1 shows the three basic cost estimating methods that can be used during a NASA project’s life cycle: analogy, parametric, and engineering build-up (also called “grassroots”), as well as extrapolation from actuals using Earned Value Management (EVM). Figure C-1.