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20 The following data represent the number of days absent per year in a population of six employees of a small company: 1 3 6 7 9 10 a.
7.20 The following data represent the number of days
absent per year in a population of six employees of a small
company:
1 3 6 7 9 10
a. Assuming that you sample without replacement, select
all possible samples of n = 2 and construct the sampling
distribution of the mean. Compute the mean of all the sample means and also compute the population mean.Are they equal? What is this property called?b. Repeat (a) for all possible samples of n = 3.c. Compare the shape of the sampling distribution of themean in (a) and (b). Which sampling distribution hasless variability? Why?d. Assuming that you sample with replacement, repeat(a) through (c) and compare the results. Which samplingdistributions have the least variability those in (a) or(b)? Why?
