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[Issue Essay]

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题目:

Analytical!

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答案:

提问:

at a certain company, a test was given to a group of men and women seeking promotions. If the average (arithmetic mean) score for the group was 80, was the average score for the women greater than 85? 1 the average score for the men was less than 75 2 the group consisted of more men than women. OG上给的答案太难记了,有简单一些的办法看出来吗? 单看的话觉得是E

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解答: sysadmin

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请May老师解答

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解答: 徐小梅老师

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解答: 徐小梅老师

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请May老师解答

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解答: 徐小梅老师

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解答: 徐小梅老师

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请May老师解答

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解答: 徐小梅老师

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请May老师解答

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解答: 徐小梅老师

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请May老师解答

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阅读349308
解答: 徐小梅老师

提问:

都没读懂这题在说啥...不知道怎么列公式!

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阅读349121
解答: ken@boost.org.cn老师

提问:

没思路...只知道avg mean大于median 说明更多的房子销售价格是大于median的中位数的...位于median之后的数值的和要大于median之前数值的和...?

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阅读349807
解答: ken@boost.org.cn老师

提问:

请帮助求解!

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解答: ken@boost.org.cn老师

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