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mixer [17]
3 years ago
8

Please help! Math question.

Mathematics
1 answer:
Pepsi [2]3 years ago
7 0
I am pretty sure the answer is C because that would be the least biased with the most information.

A would be biased because it is only elementary. 

D is biased because it is only teachers that worked for a long time

B is fine, but C is better because it has more people.
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