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The following is the result of a study on the effect of different types of pain relief on post-operative recovery. What is the most accurate
The following is the result of a study on the effect of different types of pain relief on post-operative recovery. What is the most accurate conclusion? Contingency table results: Fast Recovery Slow Recovery Total Ibuprofen 21 (13%) 21 (13%) 81 (50%) Acetaminophen 60 (37%) 21 (13%) 81 (50%) Total 81 (50%) 81 (50%) 162 (100%) Chi-Square test: Df=1 Value=15.8 P-value<0.001 A. There is not enough evidence to reject the null hypothesis. B. The group that received acetaminophen had significantly faster recovery times than those that received ibuprofen. C. Don't reject the null hypothesis and conclude that there is no relationship between treat and outcome. D. Conditional column percentages are needed for an appropriate interpretation
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