Mathematics, 18.03.2021 01:20 ibrahimuskalel

A teacher initially plans to take an SRS of size 50 from his large high school and calculate the sample mean of student GPAs. Later, the teacher 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 50. What sample size should the teacher use? 57 100 150 200 354

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