Category:Definitions/Relative Efficiency

This category contains definitions related to Relative Efficiency.
Related results can be found in Category:Relative Efficiency.

Let $T_1$ and $T_2$ be estimators of a parameter $\theta$.

Let $n_1$ and $n_2$ respectively be the sample sizes needed to give $T_1$ and $T_2$ the same variance.

The relative efficiency of $T_1$ with respect to $T_2$ is defined as $\dfrac {n_2} {n_1}$.