Question 6 A researcher wants to determine if preschool attendance is associated with high school Select one answer. graduation for low-income students. She randomly assigns low-income children to two groups; : 10 points one group will attend preschool program, the second group will not attend preschool. The researcher plans to follow the children in the study for 20 years and observe whether or not they graduate from high school. Which of the following is the response variable in this study? A. O The income status of the children B. O The length of time it takes a subject to graduate high school C. O Whether or not a subject attends preschool D. O Whether or not a subject graduates high school Question 7 A study seeks to answer the question, "Does Vitamin C level in the breast milk of new mothers Select one answer. reduce the risk of allergies in their breastfed infants?" The study concluded that high levels of 10 points vitamin C (measured in milligrams) were associated with a 30 percent lower risk of the presence of allergies in the infants. In this scenario, "presence of allergies" is what type of variable? A. Categorical B. Quantitative