In article <90jkt0$o3o$[EMAIL PROTECTED]>,
<[EMAIL PROTECTED]> wrote:
>Where can I find authoritative data on the undervotes observed in the
>various counties in Florida for the Presidential Election?
>My students have suggested that a t-test should be applied determine
>the level of confidence in the assertion that the punch card systems
>produced five times as many undervotes compared to the optical scanning
>system. I already have the machine systems by county, but need the
>undervote by county (to link the two). They have already determined
>that simple comparison of the bulk averages is insufficient to support
>the argument.
This would definitely NOT be a situation calling for a
t-test. Also, there is no reason to believe that the
null hypothesis has a chance of being true. or that the
probabilities are constant over counties, or even over
precincts.
>This would be a nice demonstration for my Intro class.
--
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, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399
[EMAIL PROTECTED] Phone: (765)494-6054 FAX: (765)494-0558
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