A group of students got the following scores in an achievement test: 9,12,15,18, 21, and 24. Consider samples of size 3 that can be drawn from this population. A. Determine and list all possible samples and the corresponding sample means. SAMPLE MEANS RANDOM SAMPLES​
9, 12, 15; mean = 12
9, 12, 18; mean = 13
9, 12, 21; mean = 14
9, 12, 24; mean = 15
9, 15, 18; mean = 14
9, 15, 21; mean = 15
9, 15, 24; mean = 16
9, 18, 21; mean = 16
9, 18, 24; mean = 17
9, 21, 24; mean = 18
12, 15, 18; mean = 15
12, 15, 21; mean = 16
12, 15, 24; mean = 17
12, 18, 21; mean = 17
12, 18, 24; mean = 18
12, 21, 24; mean = 19
15, 18, 21; mean = 18
15, 18, 24; mean = 19
15, 21, 24; mean = 20
18, 21, 24; mean = 21
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