The Following Information Gives the Number of Days Absent from Work

Essay

The following information gives the number of days absent from work for a population of 5 workers at a small factory.

a.Find the mean and the standard deviation for the population.
b.Samples of size 2 will be drawn from the population.Use the answers in part a to calculate the expected value and the standard deviation of the sampling distribution of the sample mean.
c.
c.Find all the samples of 2 workers that can be extracted from this population.Choose the samples without replacement.
d.Compute the sample mean $\bar{x}$ for each of the samples in Part