The number of books sold over the course of the three-day book fair were: 365, 303, 401. Assume that samples of size 2 are randomly selected with replacement from this population of three values.
a. List the different possible samples, and find the mean of each of them.
b. Find the mean of your sample means, show your work.
c. Find the mean of your population, show your work.
d. How does the mean of your sample means compare with the mean of your population?
2 answers