4.1 List all possible simple random samples of size n=2 that can be selected from the pop- ulation {0, 1, 2, 3, 4}. Calculate o² for the population and V (5) for the sample. 4.2 For the simple random samples generated in Exercise 4.1, calculate s for each sample. Show numerically that E(s³) -g² N - 1

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