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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 Reaction

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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 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 acer

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