In article <002701c26c2e$e748f990$55e8b23f@DHJC4K01>,
Karl L. Wuensch <[EMAIL PROTECTED]> wrote:
>          I try to stress to my students the importance of screening their
>data carefully for out-of range values, outliers, etc. prior to any other
>analysis.  I demonstrate to them how a single seriously out-of-range value
>can ruin an analysis.

However, what you call an outlier can be the most important
part of the data.  One should not just call something an
outlier because it is not too close to the main body; it
is necessary to justify rejecting the datum.
-- 
This address is for information only.  I do not claim that these views
are those of the Statistics Department or of Purdue University.
Herman Rubin, Deptartment of Statistics, Purdue University
[EMAIL PROTECTED]         Phone: (765)494-6054   FAX: (765)494-0558
.
.
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