For a special pre-New Year’s Eve show, a radio station personality has
invited a small panel of prominent local citizens to help demonstrate
to listeners the adverse effect of alcohol on reaction time. The
reaction times (in seconds) before and after consuming four drinks are
in data file xr11044. At the 0.005 level, has the program host made
his point? Identify and interpret the p-value for the test.

Data from file-xr11044:

Subject
1
2
3
4
5

Before
0.32
0.39
0.36
0.41
0.37

After
0.39
0.44
0.49
0.53
0.46

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Clarification of Question by wta2k-ga on 17 Apr 2003 01:16 PDT

(Hyp Test, two sample means)

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Clarification of Question by wta2k-ga on 17 Apr 2003 05:13 PDT

" or proportions" ^_^

I don't want to post an answer to this (sorry, fellow researchers)
because the answer is so similar to the previous question, I don't
think it's worth the money.

Using:
http://www.fon.hum.uva.nl/Service/Statistics/Student_t_Test.html

t = -6.147, DF = 4, p <= 0.003706 

Yes, the presenter has made the point.


jeremymiles-ga

Previous question I referred to was:
http://answers.google.com/answers/main?cmd=threadview&id=191628