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Article #380

Re: Fwd: Standard Deviation.

#380
From: USENET News System
Date: Sun, 16 Aug 1992 22:59
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In article <1992Aug16.212245.27577@mailhost.ocs.mq.edu.au>, wskelly@laurel.ocs.mq.edu.au (William Skelly) writes:
> 
> This and other posting indicate that there is a relationship between
> sample size and and estimated variance (of the population) which is
> positive and always an underestimate.  What is the limit, or point
> at which an increasing sample size no longer improve the estimate
> of populations variance?
> 
When the sample size is equal to the population size (never for an
infinite population).

> Can this be tested by taking samples of sample 

Yes but we can work out the theory so it isn't necessary.

> (the later sample
> being elevated to the status of population)?
> 
???
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Message-ID: <1992Aug16.225926.497@massey.ac.nz>
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References: <1992Aug14.172833.11844@cbfsb.cb.att.com> <seX2yRq00Uh785H2EB@andre <1992Aug14.231916.23479@magnus.acs.ohio-state.edu> <1992Aug16.212245.27577@mailhost.ocs.mq.edu.au>

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Newsgroups: sci.math.stat
Path: arc1-ca.pugleaf.net!sparky!uunet!comp.vuw.ac.nz!cc-server4.massey.ac.nz!TMoore@massey.ac.nz
From: news@massey.ac.nz (USENET News System)
Subject: Re: Fwd: Standard Deviation.
Message-ID: <1992Aug16.225926.497@massey.ac.nz>
Organization: Massey University
References: <1992Aug14.172833.11844@cbfsb.cb.att.com> <seX2yRq00Uh785H2EB@andre <1992Aug14.231916.23479@magnus.acs.ohio-state.edu> <1992Aug16.212245.27577@mailhost.ocs.mq.edu.au>
Date: Sun, 16 Aug 92 22:59:26 GMT
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