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# Rel between Range and Mean/Median in Even Spaced Set

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Current Student
Joined: 19 Dec 2011
Posts: 12
Concentration: Healthcare, Operations
Schools: Olin '17 (M)
GPA: 3.24
WE: Supply Chain Management (Military & Defense)
Rel between Range and Mean/Median in Even Spaced Set [#permalink]

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18 Aug 2013, 13:25
1
KUDOS
In an evenly spaced set, the
1) mean = median
2) mean = (first + last)/2

The range in a set is the highest value - the lowest value.
Or in an evenly spaced set: last - first = range

In general, is there any relationships between the range and the mean in the evenly spaced set? I am trying to find connections so I can strategize how to attack a range/mean problem.

I guess that if I'm given the range and the the highest value, I can then in turn find the lowest value.
Using these highest and lowest values, I can find the mean (lowest + highest)/2.

Thanks,
Francis
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Joined: 27 Feb 2012
Posts: 136
Re: Rel between Range and Mean/Median in Even Spaced Set [#permalink]

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18 Aug 2013, 14:20
jrawls wrote:
In an evenly spaced set, the
1) mean = median
2) mean = (first + last)/2

The range in a set is the highest value - the lowest value.
Or in an evenly spaced set: last - first = range

In general, is there any relationships between the range and the mean in the evenly spaced set? I am trying to find connections so I can strategize how to attack a range/mean problem.

I guess that if I'm given the range and the the highest value, I can then in turn find the lowest value.
Using these highest and lowest values, I can find the mean (lowest + highest)/2.

Thanks,
Francis

I think your analysis above is correct. You can work out the mean if range and highest/lowest term is given in an evenly spaced set.
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Please +1 KUDO if my post helps. Thank you.

Re: Rel between Range and Mean/Median in Even Spaced Set   [#permalink] 18 Aug 2013, 14:20
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