The best estimator of the difference between two population means is the difference between two sample means .

Question

The best estimator of the difference between two population means   is the difference between two sample means   .

Kristina Khlopunova · Accepted Answer

Final Answer : True, Explanation :  The formula for the difference between two population means involves unknown population parameters, whereas the formula for the difference between two sample means involves known sample statistics. Therefore, the latter is a better estimator.

The best estimator of the difference between two population means is the difference between two sample means .

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