Suppose the age distribution in a city is as follows. Under 18 20% 18–25 18% 26–50 32% 51–65 8% Over 65 22% A researcher is conducting proportionate stratified random sampling with a sample size of 300. Approximately how many people should he sample from each stratum?   Number of people Under 18 enter a number of people 18–25 enter a number of people 26–50 enter a number of people 51–65 enter a number of people Over 65 enter a number of people

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Author:Amos Gilat
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Suppose the age distribution in a city is as follows.

Under 18
20%
18–25
18%
26–50
32%
51–65
8%
Over 65
22%


A researcher is conducting proportionate stratified random sampling with a sample size of 300. Approximately how many people should he sample from each stratum?

 
Number of people
Under 18
enter a number of people
18–25
enter a number of people
26–50
enter a number of people
51–65
enter a number of people
Over 65
enter a number of people
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