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can a set with only one element have mean or median?? or is

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can a set with only one element have mean or median?? or is [#permalink] New post 04 Sep 2008, 05:03
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

can a set with only one element have mean or median??
or is it a that the inherent definition of mean/ median is only for a set of nos.?
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Re: doubt [#permalink] New post 04 Sep 2008, 05:05
Never thought about this to be honest. But why not?
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Re: doubt [#permalink] New post 04 Sep 2008, 05:43
these are the basics...
knowing them will make a sea of diff.

some more are
a) 0^0. ??
b) |0| ???
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Re: doubt [#permalink] New post 04 Sep 2008, 05:46
arjtryarjtry wrote:
can a set with only one element have mean or median??
or is it a that the inherent definition of mean/ median is only for a set of nos.?

IMO,
why not..

in that case
mean=median=element itself.
standard deviation=0
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Re: doubt [#permalink] New post 04 Sep 2008, 06:11
Expert's post
Everyone is correct above- if a set contains only one element, x, then the median and mean are both x. The range and standard deviation are both zero.

And the following are also true:

0^0 is undefined
|0| = 0
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Re: doubt   [#permalink] 04 Sep 2008, 06:11
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