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From: dawn <d_graichen@hotmail.com>
To: Teacher2Teacher Public Discussion
Date: 2002062513:47:38
Subject: confidence level

	I am trying to find an explanation as to why a sample size of a small
sample, should have  a confidence level of 90% or above....  (as
opposed to 80-85%)  most calculators utilize 90% but suggest 95%....

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