In disproportionate stratified sampling,the same number of units should be chosen from each stratum even if one stratum contains more diverse units.

Question

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In disproportionate stratified sampling, the number of units chosen from each stratum is proportional to the size of the stratum. This means that larger and more diverse strata will have a greater representation in the sample than smaller and less diverse strata. Therefore, the same number of units is not chosen from each stratum in disproportionate stratified sampling.

In Disproportionate Stratified Sampling,the Same Number of Units Should Be