Mathematics, 09.02.2021 01:10 tsadface21
A researcher initially plans to take an SRS of size 160 from a certain population and calculate the sample mean. Later, the researcher decides to increase the sample size so that the standard deviation of the sampling distribution of will be half as big as when using a sample size of 160. What sample size should the researcher use?
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A researcher initially plans to take an SRS of size 160 from a certain population and calculate the...
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