RE: p value

2001-11-02 Thread dennis roberts
At 05:06 PM 11/2/01 -0500, Wuensch, Karl L wrote: > Dennis wrote: " it is NOT correct to say that the p > value (as >traditionally calculated) represents the probability of finding a > result >LIKE WE FOUND ... if the null were true? that p would be ½ of > what is >calculated." > >

RE: p value

2001-11-02 Thread Wuensch, Karl L
Dennis wrote: " it is NOT correct to say that the p > value (as traditionally calculated) represents the probability of finding a > result LIKE WE FOUND ... if the null were true? that p would be ½ of > what is calculated." Jones and Tukey (A sensible formulation of the signific

Re: edstat-digest V2000 #545

2001-11-02 Thread Pam .
The best non-parametric book I know of is Marasculio and McSweeny. It is out of print so if you find a copy copy it. It is a classic Pamela Auburn, PhD 2041 Branard Houston TX 77098 >From: [EMAIL PROTECTED] (edstat-digest) >Reply-To: [EMAIL PROTECTED] >To: [EMAIL PROTECTED] >Subject: edstat-d

Re: edstat-digest V2000 #545

2001-11-02 Thread Pam .
The best non-parametric book I know of is Marasculio and McSweeny. It is out of print so if you find a copy copy it. It is a classic Pamela Auburn, PhD 2041 Branard Houston TX 77098 >From: [EMAIL PROTECTED] (edstat-digest) >Reply-To: [EMAIL PROTECTED] >To: [EMAIL PROTECTED] >Subject: edstat-d

Conference: Deming Applied Statistics, NJ, Dec 10-13

2001-11-02 Thread Alfred Barron
ANNOUNCING... The 57th Annual Deming Conference on Applied Statistics Atlantic City, New Jersey December 10-13, 2001 For details, registration costs, etc. see http://nimbus.ocis.temple.edu/~kghosh/deming01/ The Pr

Re: p value

2001-11-02 Thread Chris R
[EMAIL PROTECTED] (dennis roberts) wrote > most software will compute p values (say for a typical two sample t test of > means) by taking the obtained t test statistic ... making it both + and - > ... finding the two end tail areas in the relevant t distribution ... and > report that as p >

Re: They look different; are they really?

2001-11-02 Thread John Kane
Jon Miller wrote: > Stan Brown wrote: > > > You assume that it was my section that performed worse! (That's true, > > but I carefully avoided saying so.) > > > > Section A (mine) meets at 8 am, Section B at 2 pm. Not only does the > > time of day quite possibly have an effect, but since most peop

Free Electronic Statistics Textbook

2001-11-02 Thread StatSoft Benelux
StatSoft's free Electronic Statistical Textbook offers training in the understanding and application of statistics. View the Textbook on www.statsoft.nl/textbook/stathome.html or download it for free from: www.statsoft.nl/download.html#textbook. The material was developed at the StatSoft R&D de

Re: Can I Use Wilcoxon Rank Sum Test for Correlated & Clustered Data??

2001-11-02 Thread Robert J. MacG. Dawson
Chia C Chong wrote: > > I am a beginner in the statistical analysis and hypothesis. I have 2 > variables (A and B) from an experiment that was observed for a certain > period time. I need to form a statistical model that will model these two > variables. As an initial step, I plot the histogram

Re: They look different; are they really?

2001-11-02 Thread John Kane
Stan Brown wrote: > Jill Binker <[EMAIL PROTECTED]> wrote in sci.stat.edu: > >Even assuming the test yields a good measure of how well the students know > >the material (which should be investigated, rather than assumed), it isn't > >telling you whether students have learned more from the class

Re: They look different; are they really?

2001-11-02 Thread John Kane
Gus Gassmann wrote: > Stan Brown wrote: > > > Another instructor and I gave the same exam to our sections of a > > course. Here's a summary of the results: > > > > Section A: n=20, mean=56.1, median=52.5, standard dev=20.1 > > Section B: n=23 mean=73.0, median=70.0, standard dev=21.6 > > > > Now