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题库 / Prep2007E2-DS-40
If set S consists of the numbers 1, 5, -2, 8, and n, is 0 < n < 7 ?
(1) The median of the numbers in S is less than 5.
(2) The median of the numbers in S is greater than 1.
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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（1）：中位数1，可能是5，此时n一定小于5，可能小于0，可能大于0，所以条件2单独不充分
（1）+（2）：中位数大于1且小于5，所以n为中位数，n在1～5之间，必然在0～7之间，所以两条件和起来充分
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