Pooja yadav Asked a Question
June 17, 2021 10:17 pmpts 30 pts
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  • Rucha rajesh shingvekar
    Stratified random sampling is a method of sampling that involves the division of a population into smaller sub-groups known as strata. In stratified random sampling, or stratificat...
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  • Ronak kumari upadhyay thankyou
    The strata are formed based on members' shared attributes or characteristics such as income or educational attainment. Strata variables are used to divide a non-homogeneous populat...
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    Ronak kumari upadhyay
    he strata or sub-groups should be different and the data should not overlap. For example, you have three sub-groups with a population size of 150, 200, 250 subjects in each subgro...
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