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<p>sizes generally lead to increased <a href="page.php?w=Accuracy_and_precision">precision</a> when <a href="page.php?w=statistical_estimation">estimating</a> unknown parameters. For instance, to accurately determine the prevalence of pathogen infection in a specific species of fish, it is preferable to examine a sample of 200 fish rather than 100 fish.  Several fundamental facts of mathematical statistics describe this phenomenon, including the <a href="page.php?w=law_of_large_numbers">law of large numbers</a> and the <a href="page.php?w=central_limit_theorem">central limit theorem</a>.</p><p>
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