Question
Download Solution PDFWhich type of sampling is one where only the first sample unit is selected at random and the remaining units are automatically selected in a definite
sequence at equal spacing from one another. It is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation
Systematic sampling = In this sample members from a large population are selected according to a random starting point but with a fixed, periodic interval and this interval is called sampling interval(k)
The sampling interval = Population size/sample size = N/n.
Quota sampling = It is non prbbaility version of stratified sampling. In this assembled sample has the same proportions of individuals as the entire population with respect to known characteristics, traits.
Multi stage sampling = It is the taking of samples in stages using smaller and smaller sampling units at each stage. It can be a complex form of cluster sampling.
Area sampling = It is sometimes referred to as block sampling, especially in the United States. It is also a form of cluster sampling. Evaluation. Area sampling is used a great deal in countries where there are no adequate population lists, which are replaced instead by maps.
∴ Option 3 is correct
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