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An unbiased estimator is one whose expected value equals the true value. Its sampling distribution can be asymmetrical with median not equal to the true value.
by 1e-9 7y ago
An unbiased estimator is one whose expected value equals the true value. Its sampling distribution can be asymmetrical with median not equal to the true value. You seem to be referring to a median-unbiased estimator.
- spenczar5 7y agoYou are correct, of course. It’s too late for me to correct my comment; I slipped up while trying to de-technicalize the definition. Thanks for the correction.