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Q2 (13 points) Q2.(13) To study the average weight difference between different regions, we collected 36 male adults weights from Asian, and another 36 from European. The sample mean are 156 lb and 167 lb. Let's assume the population standard deviation of Asian male adult weight and European male adult weight are 20 lb, 25 lb, respectively. 1.(9) Use the /'-value method and rejection region method to test if the Asian male average weight is less than European male average weight. Let or = 0.1. 2.(4) Calculate 95% two-sided confidence interval for the mean weight difference. + Drag and drop an image or PDF file or click to browse... Time left Hide 5 days, 9 hours