Is the range of a non-empty set S bigger than its mean?
a) All members of S are negative
b) The median of set S is negative
a) All members of S are negative
b) The median of set S is negative
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statment 1) suff as range will always be a +ve value and mean a -ve value.uptowngirl92 wrote:EXPLANATIONS please!!
Answer is D.xcusemeplz2009 wrote:statment 1) suff as range will always be a +ve value and mean a -ve value.uptowngirl92 wrote:EXPLANATIONS please!!
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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