Re: [WikiEducator] Re: Can you test drive an idea for me?

2012-05-16 Thread Edward Cherlin
On Wed, May 16, 2012 at 10:22 PM, Declan declanjmcc...@gmail.com wrote:
 Dear Ramakrishnan,

 Thank you for your kind offer.

 My hope is that interested professors like yourself would develop some
 materials on Wikieducator to walk students through the basics of
 statistical analysis.

If I can get permission (a Creative Commons license on a particular
book) I will create a digital statistics text using current software
in which every math statement is executable, like the algebra book I
have been working on.

http://booki.treehouse.su/algebra-an-algorithmic-treatment/_v/1.0/edit/

The point of the book was to teach students how to write their own
statistics routines, and not be dependent on canned software.

 Eventually there will be enough material on the
 site so that you could choose a set from Texas (7 specimens came in
 the post today) and a set from Alaska (I have 6) and use the data for
 a t-test.  I have 10 from the Northeast US and more than that from the
 West.  Alternatively one could choose a series from a range of
 latitudes to run a regression.  Another way to illustrate regression
 would be to ignore latitude and simply measure length and width from a
 series of skulls and regress one against the other.

 It has been my experience that simply providing data to biology
 students falls flat.  They are happier if they collect their own
 data.  In my own course I can bring out 30 skulls and calipers to let
 them measure.  But I suspect that few professors have a box of skulls
 in their lab...even fewer high school teachers have such a strange
 resource.  That was the basis for the idea.  When my students return
 in September we will photograph more skulls and upload them.  This is
 actually a common research method; scientists usually do this by
 visiting museum collections; I think the photographic approach is
 fairly uncommon.

It is very common in some kinds of archaeology, including 3-D images
of cuneiform tablets, Mayan monuments, and other artifacts. A
professor of the History of Mathematics once told our college math
club that after a while you can get to recognize individual
handwriting in Babylonian. Computational linguistics is full of
statistical models.

 I hope I can convince a few teachers or scientists to make
 measurements from the existing photographs to see how this works.  We
 should be able to get the same measurement for length from the left
 side and the right side of the same skull.  Width should be the same
 on the top and bottom views.  Different teachers should arrive at the
 same number.  Also I want to make sure that the instructions are
 intelligible.

I have a long-term plan to create materials for teaching statistics
based on the century and a half of records of many major sports,
including baseball, soccer, cricket, and so on, and of chess, go, and
other mind games.

 Cheers,

 Declan

-- 
Edward Mokurai (默雷/निशब्दगर्ज/نشبدگرج) Cherlin
Silent Thunder is my name, and Children are my nation.
The Cosmos is my dwelling place, the Truth my destination.
http://wiki.sugarlabs.org/go/Replacing_Textbooks

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Re: [WikiEducator] Re: Can you test drive an idea for me?

2012-05-12 Thread Balqis Thaahaveettil
Hi Declan,

I'm trying to understand what you have asked for . I am a post
graduate in Zoology too but I have zero experience in this field :).I
can understand these anyway.I'd like to help you by following your
request.But do you actually need us to take a print out copy of the
picture and measure the length and width ? It would be so kind of you
if you could explain and clarify this
Thanks in advance
Best Regards
Balqis Thaahaveettil

On 5/12/12, Declan declanjmcc...@gmail.com wrote:
 Thanks Don


 we are hoping to get a few measurements to ground truth the technique.

 Cheers


 Declan

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Re: [WikiEducator] Re: Can you test drive an idea for me?

2012-05-12 Thread john stampe
Hi, Declan,

Sounds like a great idea for my environmental science students. Unfortunately, 
I won't be able to do it until next month as we are on our summer break.

But we will still give it a try.

Cheers,
John


br/http://www.wikieducator.org/User:JohnWSbr/http://johnsearth.blogspot.com


--- On Fri, 5/11/12, Declan declanjmcc...@gmail.com wrote:

 From: Declan declanjmcc...@gmail.com
 Subject: [WikiEducator] Re: Can you test drive an idea for me?
 To: WikiEducator wikieducator@googlegroups.com
 Date: Friday, May 11, 2012, 9:49 PM
 Thanks Don
 
 
 we are hoping to get a few measurements to ground truth the
 technique.
 
 Cheers
 
 
 Declan
 
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Re: [WikiEducator] Re: Can you test drive an idea for me?

2012-05-12 Thread Balqis Thaahaveettil
Hi Declan ,
I just saw all the details given by you in the home page itself..So
I'll try to check it out very soon myself and will ask my students
too.This is indeed a very interesting activity for all those who like
biology
Best Regards
Balqis

On 5/12/12, john stampe jwsta...@yahoo.com wrote:
 Hi, Declan,

 Sounds like a great idea for my environmental science students.
 Unfortunately, I won't be able to do it until next month as we are on our
 summer break.

 But we will still give it a try.

 Cheers,
 John


 br/http://www.wikieducator.org/User:JohnWSbr/http://johnsearth.blogspot.com


 --- On Fri, 5/11/12, Declan declanjmcc...@gmail.com wrote:

 From: Declan declanjmcc...@gmail.com
 Subject: [WikiEducator] Re: Can you test drive an idea for me?
 To: WikiEducator wikieducator@googlegroups.com
 Date: Friday, May 11, 2012, 9:49 PM
 Thanks Don


 we are hoping to get a few measurements to ground truth the
 technique.

 Cheers


 Declan

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Re: [WikiEducator] Re: Can you test drive an idea for me?

2012-05-12 Thread Dr. K.S.Ramakrishnan
13-05-12
 Dear Declan,
 Myself K.S.Ramakrishnan, Assistant Professor, TNOU. I had gone through
your postings, and for proving the hypothesis, you may use either 't' test
or ANOVA or regression. In Regression, it is in the equation form with Beta
coefficients. All are more or less same. If only two groups (Coyotes from
North and South) you may use 't' test. If you would like to test Coyotes of
North, South, West, etc you may go for ANOVA. If you wish, once all the
measurements are done, if you wish, I may help to put all the data into
Statistics and test the hypothesis by suitable statistical techniques.
With Regards
K.S.Ramakrishnan
India

On Sun, May 13, 2012 at 3:53 AM, Declan declanjmcc...@gmail.com wrote:

 Another idea that occurred to me was to use the measurements for
 statistical exercises: regression; T-tests; that sort of thing.

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