Dear friends:
Does anyone know / remember how to obtain the standard deviation of a set
of numbers given only a frequency table?
e.g.,
xf(x)
00.2
10.3
20.2
30.2
40.1
Many thanks.
Chris
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On 5 Jan 2001 17:32:16 -0800, [EMAIL PROTECTED] (dennis roberts) wrote:
this is the perennial issue in national elections about ... if it looks
like the election is sewn up from the east and south ... then what is to
motivate those in the napa valley to leave their vinyards and head for the
At 09:42 PM 1/5/01 -0800, Jake wrote:
This is silly. Why inconvenience the voters when a news blackout until ALL the
polls are closed will do the trick? The overzealousness of the press does not
trump the people's right to vote.
i totally agree ... but, in a democracy with a free press, how do
well, one way is to say ... i have n=10 ... so, there are 2 zeros, 3 ones,
etc. and find it based on that data ... doesn't matter if there are 10 or
100 or 1000 ... now, if you had some n that did not divide exactly by these
p values ... there might be another algebraic way to do it
as long as
Chris Chiu wrote:
Dear friends:
Does anyone know / remember how to obtain the standard deviation of a set
of numbers given only a frequency table?
e.g.,
xf(x)
00.2
10.3
20.2
30.2
40.1
Many thanks.
Chris
calculate average value "a"
change your "f(x)"
At 02:34 PM 1/6/01 +, J. Williams wrote:
The entire nation is not what I talked about in my post. I'm
referring to voters in an individual state which is the same problem
writ small. Voters in the panhandle region of Florida were confronted
with electronic media calling the election
"J. Williams" [EMAIL PROTECTED] wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
I would be interested in research showing voter intentions in those
western counties AFTER learning the election had been already called.
It would be fascinating to find out what the exit pollsters
QUESTIONS
Dear friends:
Does anyone know / remember how to obtain the standard deviation of a set
of numbers given only a frequency table?
e.g.,
xf(x)
00.2
10.3
20.2
30.2
40.1
Many thanks.
Chris
ONE POSSIBLE ANSWER:
Here is a worked solution. I used the Windows
I need some information about MRF models for image analysis (segmentation)
and in particular I need also software for image segmentation that based on
this models.
Thanks
Andrea
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I think I've resolved this question with a colleague. We likened the
heritability of a given trait, for example, jump height, to the
relationship between that trait and some other explanatory variable,
such as leg length. The R^2 for leg length explaining jump height
might be 0.36. Now,
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