The data below represent the number of days absent per year in a population of three employeesof a small company:

1 4 7

a. Assuming that you sample without replacement, select all possible samples of n = 2 andconstruct the sampling distribution of the mean.

b. Compute the population mean.

c. Compare the mean of all the samples means of size and the population mean. Is themean of the sample means unbiased? Explain