Mathematics, 23.06.2020 19:01, amiechap12

A drug company is testing a new drag which is supported to reduce blood pressure. From the nine people who are used as subjects, it is found that the average drop in blood pressure is 2.28 points, with a standard deviation of 0.82 points. What is the 95% confidence interval for the mean change in pressure?

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A drug company is testing a new drag which is supported to reduce blood pressure. From the nine peop...