1. how many different samples of size n= 3 can be selected from a population with the following sizes?

a. N=4
b. N=8
c. N=20
d. N=50

2. A population consist of five numbers 2,3,6,8, and 11. consider samples of size 2 that can be drawn from this population.

a.) List all the possible samples and the corresponding mean.

b.) Construct the sampling distribution of the sample means.

c.) Draw a histogram of the sampling distribution of the means.

3. A group of students got the following scores in a test: 6, 9, 12, 15, 18 and 21. consider samples of size 3 that can be drawn from this population.

a.) list all the possible samples and the corresponding mean.

b.) Construct the sampling distribution of the sample means.

c.) draw a histogram of the sampling distribution of the means.
A finite population consist of 8 elements.
10 10 10 10 10 12 18 40
a.) how many samples of size=2 can be drawn from this populations?
b.) list all the possible samples and the corresponding means.
c.) construct the sampling distribution of the sample means
d.)draw a histogram of the sampling distribution of the means