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.Find all the samples of 2 workers that can be extracted from this population. Choose the samples without replacement.
d.Compute the sample mean 
for each of the samples in Part c.
Definitions:
Standard Deviation
A statistical measure of the dispersion of a set of data from its mean, often used to quantify the risk of a financial instrument.
Variance
A measure of how much a set of numbers differ from their average value.
Dispersion
A statistical measure that describes the spread of values around the mean or average, indicating variability within a data set.
Outcomes
The results or consequences that follow from specific actions, events, or decisions.
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