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1. What technique should be used to remove uncertainty from project estimates?
You cannot remove uncertainty from project estimates.
Project reserves are used to account for uncertainty in project estimates.
The Earned Value technique accounts for uncertainty in project estimates.
2. When estimating a “standard” task for which there is little uncertainty, which value should be used, the best case, worst case, average, or some other value?
Since it is a standard task, you should use an industry benchmark estimate.
Average value or the result of an approved estimating technique for that task.
3. What is the preferred approach to use when estimating a “dependent” task – that is one that strongly depends upon a factor that is not known or controllable at the time of project planning?
Use a conservative estimate and manage the factor.
Select the average of estimates that would occur due to the different factor conditions.
Use an aggressive estimate and manage the factor.
4. How do you set the estimate for the “unknown unknowns” on the project (the activities that you have no experience with and don’t even know they will be required)?
Make a “wild guess” and set a reserve based upon project risk.
Add up all of the project estimates and set a reserve level of 10%.
Set a value of 0. You cannot estimate “unknown unknowns.”
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