A new vaccination is being used in a laboratory experiment to investigate whether it is effective. There are 288 subjects in the study. Is there sufficient evidence to determine if vaccination and disease status are related? Vaccination Status Diseased Not Diseased TotalVaccinated 81 45 126Not Vaccinated 54 108 162Total 135 153 288 D)Find the value of the test statistic. Round your answer to three decimal places. E)Find the degrees of freedom associated with the test statistic for this problem. F)Find the critical value of the test at the 0.025 level of significance. Round your answer to three decimal places. G)Make the decision to reject or fail to reject the null hypothesis at the 0.025 level of significance. H)State the conclusion of the hypothesis test at the 0.025 level of significance.
A new vaccination is being used in a laboratory experiment to investigate whether it is effective. There are 288 subjects in the study. Is there sufficient evidence to determine if vaccination and disease status are related?
Vaccination Status Diseased Not Diseased Total
Vaccinated 81 45 126
Not Vaccinated 54 108 162
Total 135 153 288
D)Find the value of the test statistic. Round your answer to three decimal places.
E)Find the degrees of freedom associated with the test statistic for this problem.
F)Find the critical value of the test at the 0.025 level of significance. Round your answer to three decimal places.
G)Make the decision to reject or fail to reject the null hypothesis at the 0.025 level of significance.
H)State the conclusion of the hypothesis test at the 0.025 level of significance.
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