A new vaccination is being used in a laboratory experiment to investigate whether it is effective. Thereare 285 subjects in the study. Is there sufficient evidence to determine if vaccination and diseasestatus are related?Vaccination Status Diseased Not Diseased TotalVaccinated 77 85 162Not Vaccinated 63 60 123Total 140 145 285d) Find the value of the test statistic. 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. Thereare 285 subjects in the study. Is there sufficient evidence to determine if vaccination and diseasestatus are related?Vaccination Status Diseased Not Diseased TotalVaccinated 77 85 162Not Vaccinated 63 60 123Total 140 145 285d) Find the value of the test statistic. 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.
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 6CST
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A new vaccination is being used in a laboratory experiment to investigate whether it is effective. There
are 285 subjects in the study. Is there sufficient evidence to determine if vaccination and disease
status are related?
Vaccination Status Diseased Not Diseased Total
Vaccinated 77 85 162
Not Vaccinated 63 60 123
Total 140 145 285
d) Find the value of the test statistic. 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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