118 (2 points) What is the exposure odds ratio? Case Control 420.jpg Question 118 options: (180/210) / (30/210) = 6.0 (180/230) / (30/290) = 7.6 (150 x 260) / (180 x 30) = 7.2 (180 x 260) / (150 x 30) = 10.4 Question 119 (2 points) What statistical test would be most appropriate to examine the hypothesized association? Question 119 options: Analysis of variance Linear regression Correlation coefficient Chi-square Question 120 (2 points) How many degrees of freedom should be used when performing this statistical test? Question 120 options: 0 1 2 3 Question 121 (2 points) Which of the following statements reflects an appropriate alternative hypothesis? Question 121 options: There is no relationship between severe hypertension and acute myocardial infarction. The is no difference in risk of heart attack between those with and without severe hypertension. Those with a myocardial infarction are more likely to have a history of severe hypertension. Those who have severe hypertension are at higher risk of having a heart attack. Question 122 (2 points) Under the null hypothesis, what would be the expected number of participants with a myocardial infarction who had a history of severe hypertension? Case Control 420.jpg Question 122 options: (30 x 50) / (190) = 8 (180 x 50) / (420) = 21 (230 x 210) / (420) = 115 (180 x 160) / (210) = 137 Question 123 (2 points) The critical value for the test statistic is 3.841 and the calculated value was dete