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

For the general case of unequal probability sampling, criteria other than the efficiency are considered in the choice between the estimators in sampling with and without replacement. /// On fait ...

The results obtained by the authors so far on controlled sampling with equal probabilities and without replacement have been consolidated in this paper in an integrated fashion. Utilizing these ...

In unrestricted random sampling, units are selected with replacement, which means that a unit can be selected more than once. In with-replacement sampling, the number of hits refers to the number of ...

Consider a population of 70 individuals, for which you wish to estimate the mean annual income, μ. Assume that you have decided to use the following estimation procedure to make your estimate: simple ...