General Direction: Read and follow the instructions carefully.

Directions: Choose the letter that corresponds to the correct answer.

10 11 16 13 17 14 9 15 18 12 1) A group of students got the following scores in a test: 6, 9, 12, 15, 18, and 21. Consider samples of size 3 that can be drawn from this population. Given the possible samples, list all the corresponding means. Sample Mean 6, 9, 12 6, 9, 15 6, 9, 18 6, 9, 21 6, 12, 15 6, 12, 18 1000 6, 12, 21 6, 15, 18 6, 15, 21 6, 18, 21 9, 12, 15 9, 12, 18 9, 12, 21 9, 15, 18 9, 15, 21 9, 18, 21 12, 15, 18 12, 15, 21 0000 12, 18, 21 15, 18, 21 7 3 0.5 1.5 4.5 3.5 1 4 5 2) A population consists of the five measurements 2, 6, 8, 0, and 1. How many different samples of size n = 2 can be drawn from the population. Given the possible samples, list all the corresponding means. Sample Mean 2, 6 10 2, 8 2, 0 2, 1 6, 8 6, 0 6, 1 OOOOOO 8, 0 8, 1 0, 1