In a simple random sample, each individual in the population has an equal probability of being chosen. Additionally, each sample of size n has an equal probability of being the chosen sample. This ...

In stratified random sampling, one splits the population into non-overlapping groups (e.g., under 30 years of age, 30 years and over) and then uses systematic or simple random sampling to select ...

Mathematical Proceedings of the Royal Irish Academy, Vol. 99A, No. 2 (Dec., 1999), pp. 171-177 (7 pages) In this paper we derive the exact covariance of some sample moments for 'simple random sampling ...

Stephen John Haslett is a member of the NZ Ministry of Health Covid-19 Expert Advisory Network. As a member of the Te Punaha Matatini research collaboration Richard Arnold receives funding from the ...

Learn how acceptance sampling improves quality control by evaluating random samples. Discover its methods, benefits, and historical significance in manufacturing.

In a recently published news story, we learn about a young doctor, Jake Deutsch, and his personal experience with coronavirus disease 2019. Deutsch tested positive for Covid-19 and checked himself ...