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    feli_24's Avatar
    feli_24 Posts: 1, Reputation: 1
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    #1

    Nov 21, 2009, 08:27 AM
    Who can answer this?
    Give 4 ways to choose a 150 students sample from 2700 students using simple random sampling, systematic, stratified and cluster sampling...
    Thanks...
    It's a statistics subject... :):):);)
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    Nov 21, 2009, 08:56 AM

    Combination 2700 things taken 150 at a time



    where ! Is the factorial operator. I'll let you try to figure out how this is affected by the different types of sampling, but here's a hint:

    Wikipedia - Sampling (statistics)
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