Cluster sampling involves identification of cluster of participants representing the population and their inclusion in the sample group. This is a popular method in conducting marketing researches. The main aim of cluster sampling can be specified as cost reduction and increasing the levels of efficiency of sampling.
Multi-stage sampling is a complex form of cluster sampling which contains two or more stages in sample selection. In simple terms, in multi-stage... Multi-stage sampling is a complex form of cluster sampling which contains two or more stages in sample selection.
Systematic sampling is a type of probability sampling method in which sample members from a larger population are selected according to a random starting point and a fixed, periodic interval. This interval, called the sampling interval, is calculated by dividing the population size by the desired sample size.