Which of the Following Statements Is Correct

question 74

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.

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