Question: There are 5 sales associates at Mid-Motors Ford. The 5 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 two are possible without replacement?
[B] Calculate the mean of each sample.
|
Cars sold
|
Sample mean
|
|
8,6
|
|
|
8,4
|
|
|
8,10
|
|
|
8,6
|
|
|
6,4
|
|
|
6,10
|
|
|
6,6
|
|
|
4,10
|
|
|
4,6
|
|
|
10,6
|
|
[C] Calculate the mean of the sampling distribution of sample mean and population mean.
The mean of the sampling distribution of sample mean is...
The population mean is...