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    Sampling techniques

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    If you had to randomly choose 20 pages from a phone book what technique would be most suitable and why?

    1.simple random sampling
    2.stratified random sampling
    3.systematic random sampling
    4.cluster random sampling

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    ANSWER: 2. Stratified random sampling.
    In phone book the entries are given some alphabetically individual/zone wise/area wise/Occupation ...

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