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29. {20 marks) A study was conducted to study the relation between suffering of COVID19 complications and diabetes history. A 2way frequency table is obtained as follows: Diabetes No complications Some complications (a) Calculate the risk of \"Some complications\" for diabetic patients. (b) Calculate the relative risk of \"Some complications\" for diabetic patients to nondiabetic patients. Interpret your answer. (c) Calculate the increased risk of \"Some complications\" for diabetic patients to nondiabetic patients. Interpret your answer. (d) Based on the relative risk concept, do you believe the random sample above suggests there is a practically signicant relationship between complications and diabetes? Briey explain. (e) Calculate the odds and relative odds of \"Some complications\" for diabetic patients. [Rel- ative means diabetic relative to nondiabetic] (f) We are interested in testing whether there is a relationship between the suffering of COVID19 complications and diabetes history. Write down the 2 competing hypothe- ses. (g) At the 5% signicance level, test the hypotheses using a Chisquare test. What can be concluded? (The 5% rightsided critical value of a Chisquared distribution with 1 df = 3.84.)