Are you .....?

To: Kiran Krishna <>
Subject: Are you .....?
From: Penn Gwynne <>
Date: Wed, 16 Jan 2002 18:31:09 -0800 (PST)
G'day Kiran,

I think I'll make your day? but before I speed off,
could I by chance? ask you? are you purporting to be a
nuclear physicist? that's thee industry that leaves
open air radioactive liquid waste ponds in South
Australia isn't it?

Sincerely and nearly D parted just for your benefit,
John Arnold Gamblin (father of Pen Gwynne)


Kiran Krishna <> wrote:

Dear Kym,

15% is closer to 1/7th. Pardon the approximation. But
you still have proved nothing. It should be noted that
anything that has a minor effect on a large population
will have a disastrous one on a smaller population.
Therefore, if there has been something (anything at
all: Say a disease, or a reduction in habitat, or, as
an example, a sudden increase in the number of a
certain bird hunted) that struck the population of
Little Terns as a whole, the banded Little Terns,
which form a small part of the entire set will
experience a
greater effect.

If I may be allowed an analogy, something similar
happened with Aboriginal Deaths in Custody. The
problem was not (or not only) racism, it was a larger
problem with the law, and law enforcement. However,
since proportionally, the Aborigines formed a small
part of the population, they are much more susceptible
to the resulting effects. Similarly, if one monitors
radioactivity, one finds that the smaller the time of
data collection, the greater the odd ones out (It
takes a while for the background to be eliminated).
This is a property of Poisson Ian statistics, which
has a hump around the 0.

Likewise with flagged birds.

Without absolute numbers, detailed study, and a
comparison of proportions, it is not really fair to
assert a statistical conclusion.



Kiran Krishna
3rd yr physics
(Falkiner High Energy Physics)
University of Sydney
NSW 2006

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