Question 2 of 2, Step 8 of 8 12/16 Correct G 0 A new vaccination is being used in a laboratory experiment to investigate whether it is effective. There are 242 subjects in the study. Is there sufficient evidence to determine if vaccination and disease status are related? Vaccination Status Diseased Not Diseased Total Vaccinated 50 21 71 Previous Step Answers: Not Vaccinated 55 116 171 Ho vaccination and disease status are independent Total 105 137 242 Ha vaccination and disease status are dependent Step 8 of 8: State the conclusion of the hypothesis test at the 0.01 level of significance. Answer E(1,1) = 30.8 E()=40.2 Test Statistic = 29.915 Degrees of freedom = 1 Critical Value = 6.635 Rejected Null Hypothesis There is significant evidence that vaccination and disease status are related. There is not significant evidence that vaccination and disease status are related. Table of Expected Values