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Manager
Joined: 20 Sep 2004
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A series of 6 numbers are 4, 6, 8, 10, 12. what is the [#permalink]
 23 Nov 2004, 13:21
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DS: A series of 6 numbers are 4, 6, 8, 10, 12. what is the number x that is missing?
(1) x>8
(2) the mean is equal to the median
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Intern
Joined: 22 Nov 2004
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A.
statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked
if the mean=median - that applies to both scenarios (if x= 2 or 14) (in case x=2 then both equal 7, in case x=14 then both equal 9)
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Director
Joined: 31 Aug 2004
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I think there is a flaw in the stem. Is mean = median an hypothesis ?????
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