Question 16 A researcher wishes to test the effectiveness of a u vaccination. 150 people are vaccinated and 100 people are not vaccinated. The number in each group who later caught the u was recorded. The results are shown below. Vaccinated Control Caught the u 21 Did not catch the u 142 Total 150 Find the relative risk of catching the ur comparing those who were vaccinated to 'lose in the control group. Round your answer to two decimal places