一道SAT数学题目,要详细解答
3,4,6,7,10,12
The number n is to be added to the list above. If n is an integer, which of the following could be median of the new list of seven numbers?
I. 6
II. 6.5
III. 7
A I only
B II only
C III only
D I and II only
E I, II, and III
人气：356 ℃ 时间：2020-06-03 19:40:40
解答
我怎么觉得答案是1和3 only呢.
7个数字的数列,中位数只可能是数列里面的数字,那么6.5就不可能了
然后当n小于或等于6的时候,中位数是6
当n大于或等于7的时候,中位数是7
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