Another significance of random sampling is that it plays as a representative of population of the study. The unbiased rule in simple random sampling makes it a vital method of drawing a conclusion from the study results, which is usually the main goal of a research. Moreover, this sampling technique helps to make generalization of a particular population from the results obtained.
While using random sampling technique, it is always imperative to have a complete list of the study participants so that the researcher can make a sample from. However, this is often difficult to perform while dealing with a large population since the list must be complete and up to date, a condition that is difficult to meet. Random sample is not an appropriate technique to use while dealing with a very small sample size because the margin of error is usually wide, leading to a wrong conclusion (Medhi 2012).The above problems can be overcome through using an average sample size of the population since it will limit the margin error incurred during random ...
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