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

This example illustrates the use of regression analysis in a simple random cluster sampling design. The data are from S rndal, Swenson, and Wretman (1992, p. 652). A total of 284 Swedish ...

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 ...

Journal of the Royal Statistical Society. Series B (Statistical Methodology), Vol. 76, No. 1 (JANUARY 2014), pp. 197-215 (19 pages) Multiphased designs and biased sampling designs are two of the ...

Suppose that the sample of students described in the previous section was actually selected using stratified random sampling. In stratified sampling, the study population is divided into ...