a population consists of the number 2,4,9,10 and 5.List all possible samples of size 3 from this population and find the mean and variance of the sampling distribution.

1.what is the mean of the sampling distribution of the sample means?
a.3
b.4
c.5
d.6
2.How many possible samples size of 3 that can be drawn in the given population?
a.8
b.9
c.12
d.10
3.which of the following sample mean appeared twice in the given population?
a.5.33
b.5.67
c.5.69
d.6.20
4.what is the variance of the sampling distribution of the sample means?
a.1.43
b.1.53
c.1.58
d.1.67
5.what is the standard deviation of the sampling distribution of the sample means?
a.1.20
b.1.24
c.1.69
d.2.29​