This paper revisits the problem of power analysis and sample size calculations in randomised experiments.

The NBA season is just entering the second week, and we’ve already had plenty of important developments. Injuries have already afflicted Zion Williamson, Marvin Bagley, Jrue Holiday, Jeremy Lamb, ...

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 ...

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

To compensate for a power analysis based on a poor estimate of variance, internal pilot designs use some fraction of the planned observations to reestimate error ...

For NBA fans, Halloween gets second-billing behind opening night. We’ve already seen scary-good performances like Trae Young‘s 35 & 11 double-double, ghoulish injuries like Will Barton‘s 5-6 week ...