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Author Question: What is one advantage of a cluster sample over a simple random ... (Read 73 times)

amal

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What is one advantage of a cluster sample over a simple random sample?

Question 2

Give a situation where a simple random sample would be impossible or not feasible, and a systematic sample would be necessary.



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stano32

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Answer to Question 1

ANY OF THE FOLLOWING IS ACCEPTABLE: 1) YOU DON'T NEED A LIST OF ALL THE INDIVIDUAL UNITS, JUST A LIST OF THE CLUSTERS; 2) IT CAN BE MUCH MORE CONVENIENT YET STILL ACCURATE; 3) IT CAN BE MUCH CHEAPER.

Answer to Question 2

ANY SITUATION WHERE THE SAMPLING FRAME IS HARD OR IMPOSSIBLE TO GET, BUT YOU HAVE SOME IDEA OF HOW BIG THE POPULATION IS.



amal

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Both answers were spot on, thank you once again



stano32

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Great! Please up vote :D



 

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