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There are five sales associates at Mid-Motors Ford. The five associates and the number of cars they sold last week are:
Sales Associate 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 the sample mean with that of the population.
d. On a chart similar to Chart 8–2, compare the dispersion in sample means with that of the population. |
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