New York University STAT-UB STAT-UB 17 You run a correlated pairs study with 10 subjects and the mean of the difference is 8, standard deviation is 15 (but you don’t know the population
the difference is 8, standard deviation is 15 (but you don’t know the population standard deviation). Unfortunately, you weren’t able to meet the threshold to reject the Null Hypothesis at alpha=.05.
If you rerun the study, how many subjects will have to be in your sample in order to be able to reject the null, assuming that your mean and standard deviation don’t change?
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