题目信息
Ten students wrote a test, and the distribution of scores is shown on the frequency table. If the average (arithmetic mean) score is 62, what is the value of x ?


A:62
B:65
C:71
D:76
E:83
参考答案及共享解析

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已选答案:
正确答案:
B:65
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题目来源
Magoosh