The sample mean is the point estimator ofA) μ.B) σ.C) .D) .

Question

The sample mean is the point estimator ofA)  μ.B)  σ.C)    .D)    .

Nayelis Rivera · Accepted Answer

Final Answer : A, Explanation :  The sample mean is the best point estimator for the population mean (μ) because it is an unbiased estimator and it is efficient, meaning that it has the smallest possible variance among all unbiased estimators.

The sample mean is the point estimator of

A) μ.
B) σ.
C) .
D) .

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