Accuracy is the degree of closeness to true value. Precision is the degree to which an instrument or process will repeat the same value. In other words, accuracy is the degree of veracity while precision is the degree of reproducibility. What does accuracy mean? If a measurement is accurate, it means that it agrees closely … Read more
Practical Fibonacci is a lightweight, confidence-based approach to job sizing. By using Fibonacci numbers to estimate effort, teams can express not just how long something might take — but how much clarity, confidence, and complexity is involved. This method encourages meaningful conversation about risk, unknowns, and deliverability, helping teams avoid underestimating large or unclear work, … Read more
https://www.codeproject.com/Articles/701642/Software-Estimation-by-example?display=Print
http://softwarecost.org/tools/COCOMO/ Contains a nice list of assumptions (Cost Drivers)