Software development has spawned an independent industry in its own right. But the processes of asking for service, offering service, and pricing are all somewhat haphazard. Perhaps it's time to focus efforts on resolving the key paradoxes of software estimation.
a simple average, a weighted average (simple or complex), a moving average, a statistical mean, a statistical mode, and a statistical median. How do we compute the probability of success (or risk of failure)? Which of the probability distributions do we use? Normal, binomial, Poisson, beta, gamma, or t-distribution? The general practice is to use normal or beta distributions, but there are concerns about their suitability. Conclusion The purpose of this discussion is to bring to the surface all the