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Practical Project Initiation: A Handbook with Tools by Karl E Wiegers

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Completing the Estimation

The estimation process is completed when specified exit criteria are satisfied. Exit criteria help you determine when a process execution is done so you can declare victory and move on with your life. Typical Wideband Delphi exit criteria are that:

  • The overall task list has been assembled.

  • You have a summarized list of estimation assumptions.

  • The estimators have reached consensus on how their individual estimates were synthesized into a single set with an acceptable range.

Now you must decide what to do with the data. You could simply average the final estimates to come up with a single-point estimate, which is what the person who requested the estimate probably expects to hear. However, a simple average is likely to be too ...

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