en.wikipedia.org/wiki/Sample_size_determination

Sample size determination is the act of choosing the number of observations or
replicates to include in a statistical sample. The sample size is an important
feature of any empirical study in which ...

www.answers.com/Q/How_large_should_the_sample_be_to_be_large_enough

Span the full spectrum of a population's genetic variation. Reflects the genetic
variation of a population...

www.checkmarket.com/2013/02/how-to-estimate-your-population-and-survey-sample-size/

Feb 13, 2013 ... So, how large should your sample be? ... the 1st point, then I am afraid that the
survey sample is not large enough for the population at hand.

www.qualtrics.com/blog/determining-sample-size/

Apr 8, 2013 ... Before you can calculate a sample size, you need to determine a few things ...
number and ensures that your sample will be large enough. ... **This equation is
for an unknown population size or a very large population size.

homepages.math.uic.edu/~bpower6/stat101/Sampling Distributions.pdf

distribution. ○ “10% Rule”: The sample size must not be bigger than 10% of the
entire population. Large Enough Sample Size. ○ Sample size n should be large
...

stattrek.com/sampling/sampling-distribution.aspx

When the population size is very large relative to the sample size, the fpc is ...
random variable will be normal or nearly normal, if the sample size is large
enough. ... is large. So you should use the Normal Distribution Calculator, rather
than the ...

www.surveysystem.com/sscalc.htm

Creative Research Systems offers a free sample size calculator online. ... Leave
the Population box blank, if the population is very large or unknown. ... You
should also use this percentage if you want to determine a general level of
accuracy ...

dissertationrecipes.com/wp-content/uploads/2011/04/samplesizematters.pdf

There is no such thing as a sample population - A population is the entire group
of ... choosing a sample size is that it should be large enough so that it will be ...

www.statisticshowto.com/large-enough-sample-condition/

Sep 18, 2013 ... When should you use it? ... A general rule of thumb for the Large Enough Sample
Condition is that ... Your population has a normal distribution.

www.upa.pdx.edu/IOA/newsom/pa551/lecture4.htm

The first reason to understand why a large sample size is beneficial is simple. ...
to the population average) that states that if sample sizes are large enough, a
sampling distribution will be normally distributed ... How Big Should My Sample
Be?