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pamelaflue..._at_libero.it wrote:
> vc ha scritto:
>
> > pamelafluente_at_libero.it wrote:
> > [..]
> > > I am just saying that the definition of MEDIAN of a finite set of
> > > number
> >
> > OK, let's proceed slowly. *What* is the finite set whose median you
> > are trying to find ? What elements does it contain ?
>
> Since we are here (cdt), they could be the values that you find in the
> records
> for a given field. For instance, your records are variables observed on
>
> your students and the field of interest could be the number of members
> of their family. You could be interested in the Median family size *of
> your
> students*... You could be interested in other statistics as well, Mean,
> std, etc. ...
OK, so you are saying that the collection {1,2,3} is in fact a random sample realization, let's say the number of children in a family, which leads us to the original question. What grounds do you have for stating that having one, two or three children is equally probable ? You visited three households and are now trying to extrapolate your experience for say the entire city ?
>
> >
> > >is "intuitively equivalent" to the same definition given for a
> > > uniform discrete rv having that set as support...
> > >
> > > -p
Received on Tue Sep 26 2006 - 14:48:01 CDT