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题库 / GMATAdvanced-DS-13
Each of the five divisions of a certain company sent representatives to a conference. Ift he numbers of representatives sent by four ofthe divisions were 3, 4, 5, and 5, was the range of the numbers of representatives sent by the five divisions greater than 2?
(1)The median of the numbers of representatives sent by the five divisions was greater than the average (arithmetic mean) of these numbers.
(2)The median of the numbers of representatives sent by the five divisions was 4.
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.
不要慌，先定下来一个数，x=1, 2, 3, 4时，中位数是4；x=5,6,7,8,9..时，中位数是5
根据1 x=1,2,3,4时，4>(17+x)/5=> xx
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