question archive Under what circumstances stratified random sampling design is considered appropriate? How would you select such sample? Explain by means of an example
Under what circumstances stratified random sampling design is considered appropriate? How would you select such sample? Explain by means of an example
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Under what circumstances stratified random sampling design is considered appropriate? How would you select such sample? Explain by means of an example
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Answer:
Stratified random sampling is appropriate whenever there is heterogeneity in a population that can be classified with ancillary information; the more distinct the strata, the higher the gains in precision. The same population can be stratified multiple times simultaneously.
