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题库 / Prep2007E2-DS-97
What is the median of a certain set of 7 numbers?
(1) 3 of the numbers are less than 10.
(2) 4 of the numbers are greater than 10.
Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
EACH statement ALONE is sufficient.
Statements (1) and (2) TOGETHER are NOT sufficient.
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7位数的中位数就是4位：
1-跟第三位无关，不充分
2-不能知道具体是几，不充分
选E