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Math Help - Sampling Difference Confusion

  1. #1
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    Sampling Difference Confusion

    Hi there, I'm confused with stratified sampling and cluster sampling. I looked at my textbook and did some research, and I still can't understand the difference.

    Would someone care to explain? Thanks.

    Edit: Also, if anyone is willing to explain to me sampling and response bias, that would be greatly appreciated .
    Last edited by Derosion; February 10th 2013 at 06:56 PM.
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  2. #2
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    Re: Sampling Difference Confusion

    Hey Derosion.

    Stratified sampling is sampling that is broken into "strata" or disjoint regions of a particular sampling space and samples are drawn from each strata where-as cluster sampling treats every cluster as an individual sampling unit.

    Wiki does a nice job of explaining:

    Cluster sampling - Wikipedia, the free encyclopedia
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