Question 1
Consider the population of history scores for a class comprising 5 students A, B, C, D and, E. The marks are as follows:
Student A B C D E
Score 70 78 80 80 95
(a) List the 10 possible samples of 3 from the 5 students, A, B, C, D and E.
(b) Find the sample mean for each of the 10 samples.
(c) Find the mean of the 10 sample means.
