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set S consists of 5 consecutive integers, and set T consists [#permalink]
16 Sep 2006, 19:32

set S consists of 5 consecutive integers, and set T consists of seven consecutive integers. Is the median of the numbers in set S equal to the median of the numbers in set T?

1) the median of the numbers in set S is 0
2) the sum of the numbers in set S is equal to the sum of the numbers in set T.

**the answer is (c); however, doesnt statement 2 give u all the info necessary. The only way where set S and Set T add up to the same number (given that they both consist of consecutive integers) is if they are centered at zero. Am I wrong? or is the question wrong? someone please help

Re: another gmat prep question--- data sufficiency [#permalink]
17 Sep 2006, 09:27

cejismundo wrote:

**the answer is (c); however, doesnt statement 2 give u all the info necessary. The only way where set S and Set T add up to the same number (given that they both consist of consecutive integers) is if they are centered at zero. Am I wrong? or is the question wrong? someone please help

if the median of a set of 5 consecutive integers is 0 then 0 must be the center (given that there is an odd amount), therefore sum{S} = 0, if sum{T} = sum{S} = 0, it must also center at 0 and therefore median{T} = 0.

gmatclubot

Re: another gmat prep question--- data sufficiency
[#permalink]
17 Sep 2006, 09:27