Cover Story - Packaging Sterile Packaging: Sample Sizes and Statistics Determining appropriate sample sizes for operational qualifications can help manufacturers ensure sterility of medical device ...

Biometrics is a scientific journal emphasizing the role of statistics and mathematics in the biological sciences. Its object is to promote and extend the use of mathematical and statistical methods in ...

Power analyses and sample size calculations are important parts of many research projects. Often, before data are even collected, it is necessary to calculate and justify the required sample size for ...

Illustrations are given of how a binomial sample-size table of limited scope can be used to address a wider range of problems. Necessary sample sizes for binomial differences not specifically covered ...

Low statistical power undermines the purpose of scientific research; it reduces the chance of detecting a true effect. Perhaps less intuitively, low power also reduces the likelihood that a ...

Back in the day, we learned in statistics that you need a sample size of at least 2% of the size of population to make statistically significant conclusions about the behavior of the population. In ...