In software development, effort estimation is the process of predicting the most realistic amount of effort (expressed in terms of person-hours or money) required to develop or maintain software based on incomplete, uncertain and noisy input. Time estimation of software development tasks without statistics doesn’t work. I would also argue that the time, cost, and effort required to estimate and track time...

I had an interesting incident while working with one of the organizations. One of the project managers was very happy the way his team was performing. When he came to me, he said, “My team is doing really good these days. They started with a lot of features in gone few sprints and their estimates...