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# 15 numbers between 20 and 30 (inclusive?), is their average

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Joined: 08 Aug 2005
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15 numbers between 20 and 30 (inclusive?), is their average [#permalink]  06 May 2006, 03:49
15 numbers between 20 and 30 (inclusive?), is their average greater than 25?

1) The median is greater than 25
2) 7 numbers are greater than 20 and less than 25
VP
Joined: 29 Dec 2005
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Re: Median of 15 numbers [#permalink]  11 May 2006, 17:27
getzgetzu wrote:
15 numbers between 20 and 30 (inclusive?), is their average greater than 25?

1) The median is greater than 25
2) 7 numbers are greater than 20 and less than 25

1. since median >25 and suppose if the 7 numbers are each 20, and all others are 25.01 including the median, then avg. isnot >25. in some other cases it could be >25.

2. suppose if the 7 numbers are all 20.1, and all others are 25.01 including the median, then avg. isnot >25. in some other cases it could be >25.

1 and 2 togather also not suff.........

E.
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E from me too.
It will be E even it's Integer in place of number.
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