With Which of the Following Research Questions Could You Use

Multiple Choice

With which of the following research questions could you use a two-way ANOVA model for the analysis?

A) Is your score on the midterm exam a good predictor of your score on the final exam?
B) Do your level of stress (high or low) and level of close friendships (several close friends or few close friends) effect the number of days you are sick each year?
C) Does the number of days you exercise per week effect your weight lose?
D) Do your favorite color (red,green,blue,or pink) and your weight (overweight,underweight,or appropriate weight) determine whether your first child will be a boy or girl?