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12 Jan 2010, 04:16
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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Question Stats:
14% (00:00) correct
86%
(00:47)
wrong
based on 27
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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.
One alone can not help : We can have list of numbers in any fashion as only range has to be within limit of 100 . not sufficent
Obviously two alone is not adequate to answer the question a well . If mean are same , does not mean anything for SD unless you know the variation of its elemnt from the mean. not sufficient.
Is it possible to answer if one and two are together ? Answers with explanations only please.
1) List 1 has three 100 and two 50; List 2 has two 100 and three 50.
2) The averages are the same.
One alone can not help : We can have list of numbers in any fashion as only range has to be within limit of 100 . not sufficent
Obviously two alone is not adequate to answer the question a well . If mean are same , does not mean anything for SD unless you know the variation of its elemnt from the mean. not sufficient.
Is it possible to answer if one and two are together ? Answers with explanations only please.
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Hi there,
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12 Jan 2010, 05:11
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hi , isnt SI suff.. its giving you the elements in each, if i have understood the SI properly........
12 Jan 2010, 05:38
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Statement 2 is insufficient.
I do not understand Statement 1 though: Does it give complete enumeration of numbers in lists? OR it only mentions some numbers that are in lists? (albeit here could be other numbers we know nothing about)
I do not understand Statement 1 though: Does it give complete enumeration of numbers in lists? OR it only mentions some numbers that are in lists? (albeit here could be other numbers we know nothing about)
