Question: There are some estimation problems for which no unbiased estimator can be found. For example, if a sample of one observation is drawn from a

There are some estimation problems for which no unbiased estimator can be found. For example, if a sample of one observation is drawn from a population with mean and vari ance, we have an unbiased estimator of but cannot find an unbiased estimator of o Explain why this conclusion is plausible.

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