minimum-variance estimator

minimum-variance estimator

[¦min·i·məm ′ver·ē·əns ‚es·tə‚mād·ər]
(statistics)
An estimator that possesses the least variance among the members of a defined class of estimators.
References in periodicals archive ?
However, the proof of the Gauss Markov theorem indicates that the weights produced by the OLS estimator--not the formula per se--produce the unique minimum-variance estimator.