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 ...

Wondering how many people in the United States have a smartphone? If you poll 20 people on the street, your survey won’t be representative of the entire American population. But if you just want to ...

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 ...

When particles in a sample are the same size, one particle can be measured to report the result. If the sample has a narrow distribution, such as 10-25 µm, then measurement of just a few particles can ...

We’re too early in the 2017-18 season to draw many conclusions with confidence, whether about teams or specific players. The Wizards, Grizzlies, Spurs and Clippers are undefeated, but none have played ...