这个数学题求翻译~~~

Rainbeauty · 发表于 2011-3-22 22:01:26

For a certain set of n numbers, where n > 1, is the average (arithmetic mean) equal to the median? (1) If the n numbers in the set are listed in increasing order, then the difference between any pair of successive numbers in the set is 2. (2) The range of the n numbers in the set is 2(n - 1).
这个range是什么意思？2）想表达神马？？？

段小q · 发表于 2011-3-22 22:02:35

range就是组距啦,range=max-min

这个数学题求翻译~~~

所属分类: GMAT考试

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