Posted by Amy on Friday, April 30, 2010 at 7:04pm.
http://www.google.com/search?client=safari&rls=en&q=confidence+intervals&ie=UTF-8&oe=UTF-8
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A confidence interval for the mean is a range ìlower < ì <ìupper where the lower bound is the smallest value of ì that we expect and the upper bound is the largest value of ì that we expect”(Doane-Seward,2007).
“If we wanted a narrower interval(i.e. more precision) we could either increase the sample size or lower the confidence level.”
5% the mean(population proportion) will not be found within the confidence interval.
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