The number of units (persons, animals, patients, specified circumstances, etc.) in a population to be studied. The sample size should be big enough to have a high likelihood of detecting a true difference between two groups. (From Wassertheil-Smoller, biostatistics and epidemiology, 1990, p95)


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a larger <b>sample size</b> is

a larger sample size is
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<b>Sample Size</b> Determination

Sample Size Determination
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with a one-sided test.

with a one-sided test.
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<b>Sample Size</b>

Sample Size
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X1.gif

X1.gif
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<b>Sample size</b> Tables showing

Sample size Tables showing
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The <b>sample size</b> calculation

The sample size calculation
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Symptoms and diagnosis

Symptoms:

    



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Last update: September 2014