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Statistics: Difference between revisions
→Unbiased
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====Unbiased==== | ====Unbiased==== | ||
An estimator <math>\hat{\theta}</math> is unbiased for <math>\theta</math> if <math>E[\hat{\theta}] = \theta</math> | An estimator <math>\hat{\theta}</math> is unbiased for <math>\theta</math> if <math>E[\hat{\theta}] = \theta</math> | ||
* <math>X_n</math> is unbiased for <math>E[X]</math> but is not consistent | |||
====Consistent==== | ====Consistent==== | ||