题目信息
Set S contains exactly 10 numbers and has an average (arithmetic mean) of 6.2. If one of the numbers in Set S is increased by 5, while all other numbers remain the same, what is the new average of Set S?
A:6.6
B:6.7
C:6.8
D:6.85
E:6.9
参考答案及共享解析

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已选答案:
正确答案:
B:6.7
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题目来源
Manhattan