Re: crib sheets

2001-04-26 Thread dennis roberts
At 09:29 PM 4/26/01 -0500, Christopher Tong wrote: >On 26 Apr 2001, dennis roberts wrote: > > > i would put a different spin on this ... if students use the crib sheet > > (which i let them have too) AND have to depend on it TO remember important > > formulas/definitions ... then this works agains

Re: crib sheets

2001-04-26 Thread dennis roberts
each time you use your word processor, you get better AT using it AND its features same holds for a decent stat package the more students practice with it, the better they get with it and the instructor should help them in this minitab for example, has tried in recent releases to enhance the amou

DO THE NUMBERS AND THIS WILL WORK!

2001-04-26 Thread harris
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Re: compartments

2001-04-26 Thread Robert Ehrlich
Dennis: without going into chapter and verse,I think you are touching on sumpin real. The excitement these days tends to be at interfaces between disciplines not at the centers of old disciplines. Our academic departments were largely defined in the 19th century--some have made the jump--astroph

Re: crib sheets

2001-04-26 Thread Christopher Tong
On 26 Apr 2001, dennis roberts wrote: > i would put a different spin on this ... if students use the crib sheet > (which i let them have too) AND have to depend on it TO remember important > formulas/definitions ... then this works against them since, they will then > be spending time on "cons

Re: crib sheets

2001-04-26 Thread RCKnodt
A couple of comments. When a student leaves college and is not in a position (job) where he/she has to use statistical formulas every day formulas are quickly forgotten. What we (at least I do) expect is that they understand the basic principles of the subject and can formulate ideas regardin

Re: "Stats for Poets"

2001-04-26 Thread John
Go Straight to http://www.dartmouth.edu/~chance/ Its exactly what you want. And a damn good job it is. John On 25 Apr 2001 09:39:22 -0700, [EMAIL PROTECTED] (Robert J. MacG. Dawson) wrote: Can anybody out there who is teaching (or has recently taught) a stats course at the first year

Re: p- values Was: Re: Artifacts in stats: (Was Student's t vs. z

2001-04-26 Thread Alan McLean
Jerry Dallal wrote: > > Herman Rubin wrote: > > > A p-value tells me nothing of importance. > > It's hard to resist the challenge, except I have to agree (if we > qualify it by adding the word 'alone', that is, 'A p-value alone > tells me nothing of importance.') > I give in to the challeng

Re: Artifacts in stats: (Was Student's t vs. z tests)

2001-04-26 Thread Alan McLean
Herman Rubin wrote: > > In article <[EMAIL PROTECTED]>, > Alan McLean <[EMAIL PROTECTED]> wrote: > > >"Robert J. MacG. Dawson" wrote: > > >> > Alan McLean wrote: > >> The p value is a direct measure of 'strength of evidence'. > > >> and Lise DeShea responded: > > ..

old calculators

2001-04-26 Thread dennis roberts
hope you find something that brings back a memory or two (or three) at these calculator sites ... some great pics ... old electronics and mechanical monsters ... i can still hear the clackity clack of the old marchants and monroes http://www.geocities.com/SiliconValley/Park/7227/photo_tz.html

I got it

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Re: p- values Was: Re: Artifacts in stats: (Was Student's t vs. z tests)

2001-04-26 Thread dennis roberts
At 10:16 AM 4/26/01 -0500, Herman Rubin wrote: >A p-value tells me nothing of importance. i agree if this means practical and of benefit say to society > It is in no way >a measure of strength of evidence. are you saying p tells you nothing? ===

Re: A disarmingly simple conjecture

2001-04-26 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Glen Barnett <[EMAIL PROTECTED]> wrote: >Giuseppe Andrea Paleologo wrote: >> I am dealing with a simple conjecture. Given two generic positive random >> variables, is it always true that the sum of the quantiles (for a given >> value p) is greater or equal than th

Re: p- values Was: Re: Artifacts in stats: (Was Student's t vs. z

2001-04-26 Thread Jerry Dallal
Herman Rubin wrote: > A p-value tells me nothing of importance. It's hard to resist the challenge, except I have to agree (if we qualify it by adding the word 'alone', that is, 'A p-value alone tells me nothing of importance.') =

Re: Artifacts in stats: (Was Student's t vs. z tests)

2001-04-26 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Alan McLean <[EMAIL PROTECTED]> wrote: >"Robert J. MacG. Dawson" wrote: >> > Alan McLean wrote: >> The p value is a direct measure of 'strength of evidence'. >> and Lise DeShea responded: ... >There is certainly no con

p- values Was: Re: Artifacts in stats: (Was Student's t vs. z tests)

2001-04-26 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Lise DeShea <[EMAIL PROTECTED]> wrote: >Alan McLean wrote: >> ... In general, I emphasise the use of p values - in >> many ways it is a more natural way than using critical values to carry >> out a test. The p value is a direct measure of 'strength of evidence'.

Re: "Stats for Poets"

2001-04-26 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Mike Granaas <[EMAIL PROTECTED]> wrote: >I've been using "Statistics: Concepts and Controversies" by Moore for a >couple of years now and have been happy with it. Lots of exercises that >are of the form: "What do you think about this claim?" If you want to teach

crib sheets

2001-04-26 Thread dennis roberts
At 09:58 AM 4/26/01 -0500, Herman Rubin wrote: >For the important part, it is ALWAYS appropriate. An >argument against open book is that they spend too much >time looking things up, but I always allow crib sheets. >This way they know that they will get no credit for >memorizing definitions and f

Re: Artifacts in stats: (Was Student's t vs. z tests)

2001-04-26 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Robert J. MacG. Dawson <[EMAIL PROTECTED]> wrote: >"Paul W. Jeffries" wrote: > What are >> list members views on teaching students to use tables. In the computer >> age, tables are an anachronism. T

RE: Student's t vs. z tests

2001-04-26 Thread Mark W. Humphries
On 24 Apr 2001, Mark W. Humphries wrote: >> I concur. As I mentioned at the start of this thread, I am "self-learning" >> statistics from books. I have difficulty telling what is being taught as >> necessary theoretical 'scaffolding' or 'superceded procedures', and what one >> would actually apply

Re: Artifacts in stats: (Was Student's t vs. z tests)

2001-04-26 Thread Herman Rubin
In article <[EMAIL PROTECTED]>, Paul W. Jeffries <[EMAIL PROTECTED]> wrote: >Robert Dawson said that one of his approaches to dealing with z test is to >treat it as a historical anecdote. I like that approach and must give it >a try. It is almost the other way around. The z test comes up as an

Re: maintained hypothesis

2001-04-26 Thread Bob Wheeler
I don't believe that this is a generally recognized technical term. I suppose that its use is an attempt to avoid the word "null" in "null hypothesis," which is what the writers mean. The adjective "maintained" in this context corresponds to the Russian "itberzhdati." (not sure of the approved tra

experience and understanding

2001-04-26 Thread dennis roberts
some things in statistics one learns to understand as they gain experience hands on ... for example, one can over time ... become rather proficient in using some software ... so as to easily do analysis for oneself ... or for helping others some principles can be "learned" by doing ... for exa

Re: A disarmingly simple conjecture

2001-04-26 Thread Glen Barnett
Giuseppe Andrea Paleologo wrote: > > I am dealing with a simple conjecture. Given two generic positive random > variables, is it always true that the sum of the quantiles (for a given > value p) is greater or equal than the quantile of the sum? > > In other words, let X, Y be positive random var