How to manage estimates
Freshness Warning
This blog post is over 22 years old. It's possible that the information you read below isn't current and the links no longer work.
16 Mar 2002
The Rational Edge | How Late Are You Gonna Be?: "I believe that a well-managed project can be late by a number of weeks equal to the square root of the predicted number of weeks left. So when you tell me you have, for example, sixteen weeks to go, I am going to assume that you will take somewhere between sixteen and twenty weeks to finish."