GCRC Hypothesis Testing

distributed with the mean of 1.0 mg/dL and the standard deviation of 0.4 mg/dL. Would like to know whether the new antibiotic increases the mean serum creatinine level. Suppose that we would like to carry out a significance test at 5% significance level and would like to detect µ 0 = 1.0 vs µ 1 = 1.2 with 80% power? What is the required ... ................
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