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Question 3: A random sample of 30 male GPA was selected and the data was recorded. The Mean GPA is 3.02 and the standard deviation
Question 3: A random sample of 30 male GPA was selected and the data was recorded. The Mean GPA is 3.02 and the standard deviation of the sample is 0.98. a) Construct the 95% confidence interval for male GPA. b) Interpret the confidence interval in the context of the problem (confidence statement). c) Is there significance evidence that male have Mean GPA different from 3.1. Use a = 0.05. (use critical region method)
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