Suppose you determine an outcome in separate groups exposed to placebo or drug in set of experiments. In each experiment, you expose 225 patients to placebo and 300 patients to drug. For your tests, you develop the difference population from drug-placebo.
With placebo mean of 52.811 with standard deviation of 23.560 and drug mean of 57.556 with standard deviation of 11.114 compute the lower ____ and upper _____ bounds on 95% confidence interval, and p-value 0.00528.