1. A population consists of the two numbers (7, 8). Consider all possible samples of size 2 that can be drawn with replacement from this population. Find the following: a. The mean of the sampling...

1. A population consists of the two numbers (7, 8). Consider all possible samples of size 2 that can be drawn with replacement from this population. Find the following:

a. The mean of the sampling distribution of means

b. The variance of the sampling distribution

c. The standard deviation of the sampling distribution of means.

d. Illustrate the probability histogram of the sampling distribution of the means.

Please answer LETTER A.