Citation: Shear, B. R., Whitfield, E., & Nath, K. (2025). Investigating the relationship between sample size and reliability of aggregate test score measures in ...

The problem of estimating the variance of the ratio estimator in sampling with probability proportional to aggregate size is investigated. The form of nonnegative unbiased variance estimators is found ...

This article discusses reduced sampling and testing of starting materials or components. Different strategies are presented to reduce the workload at the steps from sampling to release. Viewpoints ...