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 ...
Consider the example in the section "Stratified Sampling". The study population is a junior high school with a total of 4,000 students in grades 7, 8, and 9. Researchers want to know how much these ...
Background. To assess the quality of supplementary immunization activities (SIAs), the Global Polio Eradication Initiative (GPEI) has used cluster lot quality assurance sampling (C-LQAS) methods since ...
Strip adaptive cluster sampling is extended to situations where the primary units have unequal numbers of secondary units. Primary units are selected with replacement and with probabilities ...
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Random Sampling: Key to Reducing Bias and Increasing Accuracy
Random sampling is a random means of gathering data points from all groups. It eliminates bias within your data sets by using ...
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