.. _method-multilevel_sampling-weighted-solver_metric-average_estimator_variance:

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average_estimator_variance
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Utilize the estimator variance averaged over the QoI as the solver metric for sampling-based multifidelity methods.



.. toctree::
   :hidden:
   :maxdepth: 1



**Specification**

- *Alias:* None

- *Arguments:* None


**Description**


The average estimator variance option treats each QoI more equally, as
compared to other max and norm options for scalar reduction of the
estimator variance vector.