Sampling scheme in which only the first unit is selected at random, the rest being automatically selected according to a predetermined pattern is known as systematic sampling. Systematic sampling provides a very simple sampling design in practice to select a sample of size n from a population of size N. Systematic sampling is both operationally convenient and efficient in sampling some natural populations like forest areas for estimating the volume of timber and hardwood seedlings, etc..
KeywordsSystematic Sampling Serial Number Unbiased Estimator Random Start Population Unit
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