Sampling is a method of selecting experimental units from a population so that we can make decision about the population.
Sampling design is a design, or a working plan, that specifies the population frame,sample size, sample selection, and estimation method in detail. Objective of the sampling design is to know the characteristic of the population.
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Scientific design is always better.
In the process of developing a sampling design for this study, there are some critical factors you should consider. Explain five of these factors.
Adjacent angles define the shape and perception of the design.
There are circumstances when it is important and others when it is not. If, for example, you wanted a sample of all schools in the country, it would make more sense to go for cluster sampling. A lot of market research work will require quota sampling. So the supremacy of a random sample is a myth.
To determine which, of a number of samples, is best for the application that is required. A single example of a quantity of mass produced items extracted for analysis, to ensure that the remainder are of design specification