Question

Suppose the age distribution in a city is as follows.
Under 18 .... 22%
18–25 ...... 18%
26–50 ...... 36%
51–65 ...... 10%
Over 65 ...... 14%

A researcher is conducting proportionate stratified random sampling with a sample size of 250. Approximately how many people should he sample from each stratum?



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  • CreatedFebruary 19, 2015
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