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Range of a set

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Source: — Data Sufficiency |
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by sunnyjohn » Wed Oct 07, 2009 6:31 pm
IMO: D
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by uptowngirl92 » Wed Oct 07, 2009 6:37 pm
EXPLANATIONS please!!
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by xcusemeplz2009 » Thu Oct 08, 2009 12:51 am
uptowngirl92 wrote:EXPLANATIONS please!!
statment 1) suff as range will always be a +ve value and mean a -ve value.

range = highest value- lowest value

in a set of -ve int highest value is less than -ve of lowest value.so always +ve

mean of a set of -ve value will always be a -ve

statement2) if median is -ve than there are three possible set
1st :- the highest value is -ve
2nd:- bth highest and lowest value is -ve
range will be a +ve no.
mean will be always less than range.

if we will solve this one in no. line then it will be much easier.
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by meticulousboy » Thu Oct 08, 2009 7:22 am
xcusemeplz2009 wrote:
uptowngirl92 wrote:EXPLANATIONS please!!
statment 1) suff as range will always be a +ve value and mean a -ve value.

range = highest value- lowest value

in a set of -ve int highest value is less than -ve of lowest value.so always +ve

mean of a set of -ve value will always be a -ve

statement2) if median is -ve than there are three possible set
1st :- the highest value is -ve
2nd:- bth highest and lowest value is -ve
range will be a +ve no.
mean will be always less than range.

if we will solve this one in no. line then it will be much easier.
Answer is D.

The range of a non-empty set is always >= 0.
Both, Statement 1 and 2 indicate a negative median!
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