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Big surprise to most people: The purpose of estimating is not to come up with an estimate. In a team of five, we might get 2,5,8,8,20. The value of the estimation was in discovering that someone thinks it's a 20, while someone else thinks it's a 2. They tell the rest of the team why, and we estimate again. Another useful signal is ?,?,?,?,? or (50,50,50,50,50). And of course, 5,5,5,8,8 (or other general agreement) suggests that this is low risk. You certainly wont hear that from a scrum consultant. |