Communicating Estimate Assumptions

An essential practice in presenting an estimate is to document the assumptions embodied in the estimate.
Assumptions fall into several familiar categories:
Which features are required
Which features are not required
How elaborate certain features need to be
Availability of key resources
Dependencies on third-party performance
Major unknowns
Major influences and sensitivities of the estimate
How good the estimate is
What the estimate can be used for

An essential practice in presenting an estimate is to document the assumptions embodied in the estimate.

Assumptions fall into several familiar categories:

  • Which features are required
  • Which features are not required
  • How elaborate certain features need to be
  • Availability of key resources
  • Dependencies on third-party performance
  • Major unknowns
  • Major influences and sensitivities of the estimate
  • How good the estimate is
  • What the estimate can be used for
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