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There are five sales associates at Mid-Motors Ford. The five representatives and the number of cars they sold last week are:

There are five sales associates at Mid-Motors Ford. The five representatives and the number
of cars they sold last week are:
Sales
Representative   Cars Sold
Peter Hankish       8
Connie Stallter     6
Juan Lopez          4
Ted Barnes         10
Peggy Chu           6
a. How many different samples of size 2 are possible?
b. List all possible samples of size 2, and compute the mean of each sample.
c. Compare the mean of the sampling distribution of sample means with that of the
population.
d. On a chart similar to Chart 8-1, compare the dispersion in sample means with that of the
population.

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