--- Salah Mahmud <[email protected]> wrote:
> Does that mean that the only "practical" advantage of the confidence
> interval is judging the precision of the study estimate? The above
> discussion suggests that it would be inaccurate to hint that the
> study's confidence interval brackets the population estimate.
No, the point of a confidence interval is that you do make that
statement only with the proviso that that statement will be right 19
out of 20 times (assuming you used a 95% confidence interval). This is
a way to quantify how much value we can give to such a statement.
-- Maarten
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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