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Review Question - QID 214375

Statistical Hypotheses and Error Type I Error (False Positive) p = probability that results as or more extreme than those of the study would be observed if the null hypothesis were true QID: 214375 (M1.ST.12.3)
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QID 214375 (Type "214375" in App Search)
A group of investigators has designed a phase II clinical trial to test the efficacy of medicine Y, a new weight loss medication. One hundred volunteers are randomized to the experimental group and receive drug Y for 3 months, and 100 volunteers are randomized to the control group and receive a placebo for the same duration. Paired t-tests were performed to assess the weight change in each of the 2 groups after 3 months. The mean weight change, t statistic, and p-value for both groups are shown in Figure A. If the significance level is set at 0.05, what is the correct interpretation of this data?
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