6 Sampling Distributions Assume that the following sample st

6. Sampling Distributions Assume that the following sample statistics were obtained from a simple random sample. Which of the following statements are true?

a. The sample mean targets the population mean in the sense that the mean of all sample means is .

b. The sample proportion targets the population proportion p in the sense that the mean of all sample proportions is p.

c. The sample variance targets the population variance in the sense that the mean of all sample variances is .

d. The sample median targets the population median in the sense that the mean of all samplemedians is equal to the population median.

e. The sample range targets the population range in the sense that the mean of all sample ranges is equal to the range of the population.hat Rockettes are taller than typical women?

Solution

a. The sample mean targets the population mean in the sense that the mean of all sample means is .