Efficient Estimator

An efficient estimator is a statistical tool used to make predictions or estimate unknown values, designed to produce the most accurate results with the least amount of data. In essence, it uses the available information effectively to minimize errors and variability in the predictions it generates. The goal is to provide estimates that are not only close to the true value but also stable across different samples. An efficient estimator is particularly valuable in research and data analysis, where obtaining more data can be costly or time-consuming.