Data Sufficiency

试题详情

题目:

Linda purchased 3 books at a book fair. What was the median price of the 3 books?
(1) The average (arithmetic mean) price of the 3 books was $1.5
(2) The price of one of the 3 books was $1.5

选项:

答案:

C

提问:

知道平均值就知道总价,然后其中一本书是1.5剩下的两本就是3块但是要求的是中位数,这两本的价格是不确定的可以是1.4 的1.6 等等问的是what is the median我觉得应该是特定的值就选了e为什么不对
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