The sample variance s2 is known to be an unbiased estimator of the variance σ2. Consider...

Question

Question

The sample variance s2 is known to be an unbiased estimator of the variance σ2. Consider the estimator (σ^)2 of the variance σ2, where

(σ^)2 = ( ∑ (Xi − )2 ) / N. Calculate the bias of (σ^)2.

math Statistics-And-Probability

Answer 1

Answer #1

Answer 2

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