Re: Simple Median Question

2001-09-24 Thread Dennis Roberts
At 12:01 PM 9/24/01 -0500, you wrote: > I have a question about "averaging medians." My dataset consists of > median values for a variable of interest. To find the average, do I > average the medians and get a mean median, or do I find the median of the > median values? since we don't know

Simple Median Question

2001-09-24 Thread Edwina Chappell
I have a question about "averaging medians." My dataset consists of median values for a variable of interest. To find the average, do I average the medians and get a mean median, or do I find the median of the median values?

No Subject

2001-09-24 Thread Jan Winchell
subscribe edstat-l Jan Winchell = Instructions for joining and leaving this list and remarks about the problem of INAPPROPRIATE MESSAGES are available at http://jse.stat.ncsu.edu/ ==

Central Limit Therem Was: Re: what type of distribution on this sampling

2001-09-24 Thread Herman Rubin
In article <3BAF09BF.1057.32F8FF@localhost>, J.Russell <[EMAIL PROTECTED]> wrote: >The requirement for the CLT to hold is that there should be a mean >and st deviation for the background distribution. This I checked in >Introduction to the Theory of Statistics by Mood, Graybill and Boes >For a

Re: definition of " metric" as a noun

2001-09-24 Thread Robert J. MacG. Dawson
"Robert J. MacG. Dawson" wrote: > Actually, there *is* essentially one canonical metric function on > Riemannian geometry. In either model of absolute geometry there is, up > to a multiplicative constant, only one metric preserved by reflection. > In hyperbolic geometry, moreover, ther

Re: definition of " metric" as a noun

2001-09-24 Thread Robert J. MacG. Dawson
Emord Nila Palindrome wrote: > It is certainly bad usage, for the following reason: the phrase, > "the metric", implies that there is *one* metric function on > Riemannian geometry, which is false. This reason has nothing > to do with distance measure in general, as commonly understood, > or o

II Convenção de Saúde das Américas

2001-09-24 Thread Circular da Saúde n.19
Title: II Convenção de Saúde das Américas SP/Setembro/2001 Prezado(a) Doutor(a) Já estão abertas as inscrições para o evento internacional mais importante de 2001 realizado no BRASIL, a II Convenção de Saúde das Américas Partici

Re: what type of distribution on this sampling

2001-09-24 Thread Robert J. MacG. Dawson
Rich Ulrich wrote: > > > > But what if I have a population of numbers that is made up of > 1 billion draws from a Cauchy distribution? No one has ever > defined this for me, and I have never tested it, but if you *have* > a sample in hand, then you *can* compute a standard deviation > even th

Re: what type of distribution on this sampling

2001-09-24 Thread Robert J. MacG. Dawson
> Joe Galenko wrote: > > > Just out of curiousity, I'd like to know what kind of population you could > > have such that a sample mean with N = 200 wouldn't be approximately > > Normally distributed. That would have to be a very, very strange > > distribution indeed. and Gus Gassmann responded:

Re: what type of distribution on this sampling

2001-09-24 Thread J.Russell
The requirement for the CLT to hold is that there should be a mean and st deviation for the background distribution. This I checked in Introduction to the Theory of Statistics by Mood, Graybill and Boes For a Cauchy distribution we can not determine the standard deviation and thus taking r

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2001-09-24 Thread Marketing & Communications
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