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CH5: Estimating Project Times and Costs - Coggle Diagram

- - - - Example: Function Point Count Method實例
        
        Range Estimating Template實例
        
        A Hybrid: Phase Estimating實例
        
        Top-Down and Bottom-Up Estimates實例
- - - - link to examples:
- - - - Select a reference class of projects similar to your potential project.
      - Collect and arrange outcome data as a distribution. Create a distribution of cost overruns as a percentage of the original project estimate (low to high).
      - Use the distribution data to arrive at a realistic forecast. Compare the original cost estimate for the project with the reference class projects.
    - - Outside empirical data mitigates human bias.
      - Politics, strategic, and promoter forces have difficulty ignoring outside RCF information.
      - RCF serves as a reality check for funding large projects.
      - RCF helps executives avoid unsound optimism.
      - RCF leads to improved accountability.
      - RCF provides a basis for project contingency funds.