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4. Two populations are surveyed with simple random samples. A sample of size n is used for population I, which has a population standard deviation

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4. Two populations are surveyed with simple random samples. A sample of size n is used for population I, which has a population standard deviation of : a sample of size my = 2n is used for population II, which has a population standard deviation 02 = 201. Ignoring finite population corrections, in which of the two samples would you expect the estimate of the population mean to be more accurate

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