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Set R contains five numbers that have an average value of 55

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Joined: 15 Aug 2013
Posts: 271
Re: Largest possible range in Set R [#permalink]

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New post 27 May 2014, 16:24
Bunuel wrote:
russ9 wrote:

Hi Bunuel,

Since the statement says that the median = mean, aren't we supposed to assume that it's an evenly spaced set? If so, wouldn't a2 and a4 be different from a1 and a3?


For evenly spaced set mean = median, but the reverse is not necessarily true. Consider {1, 1, 2, 2, 4} --> mean = median = 2, but the set is not evenly spaced.


thanks for clarifying.
Re: Largest possible range in Set R   [#permalink] 27 May 2014, 16:24

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