Answer:
The mean is 1,641.
Step-by-step explanation:
Add all the numbers, which is 4,923. Divide it by 9, because there are 3 pairs of 9, multiply by 3 which gives you 1,641.
The mean is 547.
Explanation:
Add all the numbers, which is 4923. Divide it by 9, which gives you 547.
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