Answer:
1. 12
2. 6
3. 4.5
4. 7
Don't quite under #5
Step-by-step explanation:
Sample mean = ΣX / n
1. 108 / 9 = 12
2. 72 / 12 = 6
3. 2 + 7 + 9 + 4 + 5 + 3 + 0 + 6 = 36 / 8 = 4.5
4. 8 + 2 + 5 + 7 + 12 + 9 + 11 + 3 + 6 = 63 / 9 = 7
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