Sample calculations?

2000-03-28 Thread Ng Tsz Wang
Hi all, Thank you very much for your response. :) I got help from someone that the test I want to carry out is called: Bioequivalence/equivalence test. I have searched my university's libraray and there is not much info on this. Maybe I can show you my problem and you can tell me how to carry

Re: Relationship between 95% CI and t-test???

2000-03-28 Thread Donald F. Burrill
On Mon, 27 Mar 2000, M. Wallace wrote: I recently received a report from an environmental lab comparing fish weights between a "control group" and a "treatment group". The t-test indicated there existed a significant difference between the two groups (P0.05)- the Control Group fish were

Re: Xbar and Square Root symbols in HTML

2000-03-28 Thread anonymous
What I would do in your situation is to browse the Web for html use of the x-bar symbol and see if some representative users can say how they did it. Search terms such as "statistics" and "lecture notes" "statistics" and "class notes" "x-bar" and "html" "statistics hypertextbook" come to

Re: Xbar and Square Root symbols in HTML

2000-03-28 Thread Bertilo Wennergren
"G. A. Edgar": In article 8bo7lr$fnl$[EMAIL PROTECTED], Kristen Lanum [EMAIL PROTECTED] wrote: Hello! We are trying to render the symbols for Xbar and square root in a statistics manual, which will primarily be used by staff using Internet Explorer 5. Is there any way to render these

Re: bivariate normal

2000-03-28 Thread Donald F. Burrill
On Tue, 28 Mar 2000, dennis roberts wrote: here is a contest question: best answer wins something ... what? i have no idea what would be a good VERBAL description of the bivariate normal distribution ... I presume you mean the bivariate normal density function? as the

Re: bivariate normal

2000-03-28 Thread Gus Gassmann
dennis roberts wrote: here is a contest question: best answer wins something ... what? i have no idea what would be a good VERBAL description of the bivariate normal distribution ... as the population rho between X and Y goes from 0 to 1? (and, in this description, indicate in particular

Re: Sample calculations? :)

2000-03-28 Thread Rich Ulrich
(posted to sci.stat.consult,sci.stat.edu, where version of the same post by Wang appeared.) On Tue, 28 Mar 2000 15:51:47 +0800, Ng Tsz Wang [EMAIL PROTECTED] wrote: Hi all, Thank you very much for your response. :) I got help from someone that the test I want to carry out is called:

Re: Sample calculations? :)

2000-03-28 Thread Warren
Just to add a note to Rich Ulrich's answer, you won't find a lot of this in a usual stats textbook I don't think. There are plenty of papers written on bio-equivalence...Statistics in Medicine in particular has several articles. For most bio-equivalence studies, you have a standard and test

Maple V and regression function

2000-03-28 Thread Alex Yu
I am trying to plot a regression function with three-way interaction such as: y = a + x1b1 + x2b2 + x3b3 + x1x2b4 + x1x3b5 + x2x3b6 + x1x2x3b7 In Maple V I used the following syntax and Maple created an animated 3D plot: animate3d(2.345+ x1*0.98 + x2*0.76 + x3*1.23 + x1*x2*0.076 + x1*x3*0.087

Re: Xbar and Square Root symbols in HTML

2000-03-28 Thread Tim Larson
Virgil wrote: In article [EMAIL PROTECTED], Tim Larson [EMAIL PROTECTED] wrote: Use radic; (#8370) instead, because that's what it's there for. It conveys the meaning regardless of the user's installed font set. None of the suggestions I have seen here are system independnent. On a

Re: Sample size: way tooo big?

2000-03-28 Thread Rich Ulrich
On Fri, 24 Mar 2000 14:13:04 GMT, [EMAIL PROTECTED] (Andy Gilpin) wrote, citing me ( as ) from 23 March: snip, some Oh, Andy, this is such a naive *scaling* conclusion. How can you regard "power" as a metric that ought to be equal-interval? Andy Wait a minute, Rich! I'll admit I'm

Re: Xbar and Square Root symbols in HTML

2000-03-28 Thread Jeremy Boden
In article [EMAIL PROTECTED], James Kilfiger [EMAIL PROTECTED] writes Kristen Lanum wrote: Hello! We are trying to render the symbols for Xbar and square root in a statistics manual, which will primarily be used by staff using Internet Explorer 5. Is there any way to render these symbols for the

Re: Statistics Software

2000-03-28 Thread news.cwcom.net
Also have a look at Analyse-it for Microsoft Excel. Analyse-it includes multiple linear regression analysis, ANOVAs, chi-square and much much more. You can download a free 30-day evaluation and test-drive it with your own data from: http://www.analyse-it.com/

Re: Xbar and Square Root symbols in HTML

2000-03-28 Thread Gaj Vidmar
Couldn't resist to add another piece to this rather lengthy and not-so-statistical thread ... - Albeit truly trivial, particularly #1, these have (surprisingly enough) not come up yet, so: 1. For x-bar (unjustly forgotten in the discussion), why not use M(x)??? (Or - even shorter - M with