3. Stratified random sampling is a method of selecting a sample in which various strata are selected from the sample the sample is first divided into groups, and then random samples are taken from each group the population is first divided into groups, and then random samples are drawn from each group

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3. Stratified random sampling is a method of selecting a sample in which _____.

- various strata are selected from the sample
- the sample is first divided into groups, and then random samples are taken from each group
- the population is first divided into groups, and then random samples are drawn from each group
- the elements are selected on the basis of convenience
Transcribed Image Text:3. Stratified random sampling is a method of selecting a sample in which _____. - various strata are selected from the sample - the sample is first divided into groups, and then random samples are taken from each group - the population is first divided into groups, and then random samples are drawn from each group - the elements are selected on the basis of convenience
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Stratified random sampling

Stratified random sampling is a method of sampling that involves the division of a population into smaller sub groups or parts known as strata. 

Stratified random sampling is also called proportional random sampling or quota random sampling.

 

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