Multiple Choice
Which of the following statements is correct?
A) The sample mean is an unbiased estimator of the population mean.
B) The sample proportion is an unbiased estimator of the population proportion.
C) The difference between two sample means is an unbiased estimator of the difference between two population means.
D) All of these choices are true.
Correct Answer:

Verified
Correct Answer:
Verified
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