A population is divided into relevant subgroups and random sample selection is done from each of the subgroups. This is which type of sampling method?
Correct Answer: Stratified random sampling
Description: - in stratified random sample, the sample is deliberately drawn in a systematic way so that each poion of the sample represents a corresponding strata of the universe. - this method is paicularly useful where one is interested in analysing the data by a ceain characteristic of the population. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:850
Category:
Social & Preventive Medicine
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