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O A. Hypothesis test for difference in means (independent populations) O B. Hypothesis test for the mean O C. Confidence interval for the mean O D. Method not listed O E. Hypothesis test for paired data (d) What can we say about quality of sleep in university residence? A random sample of MSVU students who live in residence was chosen. Each was asked how to rate their quality of sleep in residence from 1 (terrible) to 20 (terrific). A. Hypothesis test for difference in means (independent populations) O B. Hypothesis test for the mean O C. Confidence interval for the mean O D. Method not listed O E. Hypothesis test for paired data (e) Is the average final grade in Math 2209 more than 65? A random sample of Math 2209 students was chosen and their final grade in Math 2209 was recorded O A. Hypothesis test for difference in means (independent populations) O B. Hypothesis test for the mean O C. Confidence interval for the mean O D. Method not listed O E. Hypothesis test for paired data