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Tests for adverse reactions to a new drug yielded the results given in the table below: Treatment Drug Placebo Total Headaches 11 7 18

 

Tests for adverse reactions to a new drug yielded the results given in the table below: Treatment Drug Placebo Total Headaches 11 7 18 Reaction No headaches 73 91 164 Total 84 98 182 Is there evidence that reaction is independent of the type of treatment? Test an appropriate hypothesis at x =.05. Give statistical evidence to support your conclusion. (10 marks) You do not need to check the model assumptions.

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