A simple random sample is a subset of a statistical population where each member of the population is equally likely to be ...

(1) Simple random sampling is usually done without replacement (so there is no chance of the same individual appearing twice in the sample). In this case, there is a ...

Stratified random sampling is a method of sampling that divides a population into smaller groups that form the basis of test ...

Sankhyā: The Indian Journal of Statistics, Series B (2008-), Vol. 78, No. 1 (May 2016), pp. 66-77 (12 pages) We consider the problem of unbiased estimation of a finite population mean (or proportion) ...