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Both the ranges of 2 lists are from 1 to 100, whose

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Senior Manager
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Both the ranges of 2 lists are from 1 to 100, whose [#permalink] New post 03 Feb 2005, 15:21
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A
B
C
D
E

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Both the ranges of 2 lists are from 1 to 100, whose deviation is greater?
1) List 1 has three 100 and two 50; List 2 has two 100 and three 50.
2) The averages are the same.
Director
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 [#permalink] New post 03 Feb 2005, 16:10
1)
List could have other numbers also. It does not say these are the only numbers
Can't say

2)
Can't say

1) and 2) together - Can't say as there could be other numbers in the list which could change the std deviation. Without knowing the complete list we can't calculate the std deviation.
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 [#permalink] New post 03 Feb 2005, 16:11
form 1 we not suff we do not knwo the other elements of the set

from 2 by itself nothing can be made out

from both not suff

E for me
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 [#permalink] New post 03 Feb 2005, 19:57
It is (E) and it's a tricky one too because one would have assumed that the numbers listed in statement one are all the numbers in each list.
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 [#permalink] New post 03 Feb 2005, 20:14
E...

no data and no total number of values
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 [#permalink] New post 03 Feb 2005, 21:15
we don t have a clue of the list it self.... E then
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 [#permalink] New post 04 Feb 2005, 08:59
thx for the discussion.

I pick E because we don't know how many #s are in each set
  [#permalink] 04 Feb 2005, 08:59
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