Interpret the results of the chi-square test at the 5% significance level. Tests

Question

Interpret the results of the chi-square test at the 5% significance level. Tests for adverse reactions to a new drug yielded the results given in the table Drug Placebo Headaches 11 No headaches 73 2 X = 1.798; P-value = 0.1799 Select one: a. Do not reject the null hypothesis. Report that there is insufficient evidence to conclude that drug and headaches are dependent. b. Reject the null hypothesis. Report that there is sufficient evidence to conclude that drug and headaches are dependent. C. Reject the null hypothesis. Report that there is insufficient evidence to conclude that drug and headaches are dependent. O d. Do not reject the null hypothesis. Report that there is sufficient evidence to conclude that drug and headaches are dependent. e. Do not reject the null hypothesis. Report that there is insufficient evidence to conclude that the distribution of headaches is uniform for the drug and placebo.

Explanation / Answer

P value = 0.1799

At 5% significance level

P value > 0.05 , Do not reject H0.

Option a)

Do not reject the null hypothesis. Report that there is insufficient evidence to conclude that drug and headaches are dependent.

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