QUESTION 1

A stud).r is being conducted to determine if GPAs are dependent on whether a person has taken a class on studyr habits. A sample of 17? students is selected, and the results are summarized in the following table. Take class A medical study is trying to determine if survival rates for a disease are associated with the length of treatment. Survival Rates (in years) 0 - 4 5 - 9 10+ placebo 43 35 19 3 months treatment 64 55 16 full year treatment 33 46 31A VIU psychology student wants to see whether the amount a person exercises each day is independent of their subjective assessment of their wellbeing. A sample of 133 people was selected, and the amount of exercises per day and the subjective assessment of their wellbeing has been reported in the following table. Assessment of the 1well-laeing Low satisfaction Medium satisfaction High satisfaction 4: 30 minutes 15 14 14 Exercise amount per day 30 - 60 minutes 16 20 18 60 - 120 minutes 5 a 120 minutes 5