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1. Chi-Squared Test of Independence Tests for the adverse reactions to a new drug yielded the results given in the table. At the 0.05

1. Chi-Squared Test of Independence Tests for the adverse reactions to a new drug yielded the results given in the table. At the 0.05 significance level, test the claim that the treatment is independent of the reaction (headache or no headache experienced). Headache Drug 11 Placebo 7 No headache 73 91 Hypothesis Ho: Ha: Expected Values Decision Conclusion

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