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Re: Tooth Fairy Sample



Surveys like the Tooth Fairy Survey are also good for fundraising and
building mailing lists which can be rented.

Don Kosloff  dkosloff@ncweb.com
2910 Main St Perry OH

----- Original Message -----
From: Sandy Perle <sandyfl@earthlink.net>
To: Multiple recipients of list <radsafe@romulus.ehs.uiuc.edu>
Sent: Thursday, April 27, 2000 8:04 PM
Subject: Re: Tooth Fairy Sample


> > Has statistics
> > changed over the years, or is this still true?
>
> Bill,
>
> You are not behind the times. For a survey to be performed with as
> little bias as possible, the sample must be "randomly" selected,
> which is a valid subset of the entire population to which the
> statistical correlation is being used to result in a conclusion. If the
> sample is appropriate, there are many methods in which to
> determine the sample size. Again, if done appropriately, the
> Confidence Limits can be very accurate (just look at well-done
> surveys, such as Zogby) where their surveys pretty much reflect
> their sample results.


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