Explain the techniques used in sampling method
Sampling is a statistical method used to select a subset of observations from a larger population for the purpose of estimating characteristics of the population. There are several techniques used in sampling, including:
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Simple random sampling: Simple random sampling is a method in which each observation in the population has an equal chance of being selected for the sample. This method is useful when the population is relatively small and homogeneous. However, it may not be representative of the population if the population is large and heterogeneous.
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Stratified sampling: Stratified sampling is a method in which the population is divided into subgroups, or strata, based on certain characteristics. A sample is then selected from each stratum, with the sample size proportional to the size of the stratum. This method is useful when the population is heterogeneous and there are specific subgroups that need to be represented in the sample. However, it can be difficult to determine the appropriate _______ _________ ____ __________ ______ ___ _____ _______ ___.
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