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 ...