Reviewed by Robert C. KellyFact checked by Vikki VelasquezReviewed by Robert C. KellyFact checked by Vikki Velasquez Simple random sampling (SRS) is a technique in which a researcher selects a random ...

This paper gives alternative derivations for the standard variance formulas in two-stage sampling. The derivations are based on a direct use of the statistical properties of the sampling errors in the ...

Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...

Random sampling is a random means of gathering data points from all groups. It eliminates bias within your data sets by using ...

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 ...

When observations are costly or time-consuming but the ranking of the observations without actual measurement can be done relatively easily, rankedset sampling (RSS) can be employed instead of simple ...