Use a x² test to test the claim that in the given contingency table, the row variable and the column variable are independent. 24) Tests for 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 (drug or placebo) is independent of the reaction (whether or not headaches were experienced). Drug Placebo Headaches 11 73 No headaches 7 91 24)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Use a x² test to test the claim that in the given contingency table, the row variable and the column variable are
independent.
24)
24) Tests for 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 (drug or placebo) is independent of the
reaction (whether or not headaches were experienced).
Drug Placebo
Headaches 11
73
No headaches
7
91
25)
Transcribed Image Text:Use a x² test to test the claim that in the given contingency table, the row variable and the column variable are independent. 24) 24) Tests for 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 (drug or placebo) is independent of the reaction (whether or not headaches were experienced). Drug Placebo Headaches 11 73 No headaches 7 91 25)
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