Based on the central limit theorem,the sample mean can be used as a good estimator of the population mean,assuming that the size of the sample is sufficiently large.
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Q4: If the sampling distribution of the sample
Q5: When doing research,knowing the population mean and
Q6: It is often not feasible to study
Q7: If the size of a sample equals
Q8: If 40 samples of size 21 were
Q10: Sampling a population is often necessary because
Q11: The items or individuals of the population
Q12: In the sampling distribution of the sample
Q13: In cluster sampling,a population is divided into
Q14: We can expect some difference between sample
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