What is stratified sampling????
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In statistics, stratified sampling is a method of sampling from a population. In statistical surveys, when subpopulations within an overall population vary, it is advantageous to sample each subpopulation (stratum) independently
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hey friend
it is a type of sampling method where the researcher divide the population into groups called strata..
it is a type of sampling method where the researcher divide the population into groups called strata..
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