Question: Polls often select something equivalent to an SRS (for example, likely voters) and then break that selection down into smaller subgroups, (for example, men and

Polls often select something equivalent to an SRS (for example, likely voters) and then break that selection down into smaller subgroups, (for example, men and women). Margins of error are then computed for the smaller subgroups using the same formula as for the original sample, only with a different sample size. Argue that these smaller subgroups can be considered simple random samples

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