Question

Advantages and disadvantages of Proportionate Stratification?

Answer 1

Explanation:

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Answer 2

Answer:

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Advantages-

Proportionate stratification provides equal or better precision than a simple random sample of the same size. Gains in precision are greatest when when values within strata are homogeneous. Gains in precision accrue to all survey measures.

disadvantages-

A disadvantage is when researchers can't classify every member of the population into a subgroup. Stratified random sampling is different from simple random sampling, which involves the random selection of data from the entire population so that each possible sample is equally likely to occur.

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