In which situation would a line graph be used to represent the data? A: Shannon is collecting data about the relationship between math grades and science grades. She is interested if there is an association between the two variables without thinking of either one as an independent or dependent variable. B: Johnny is collecting data about the relationship between red and green candies in bags of M&M's. He is interested if there is an association between the two variables without thinking of either one as an independent or dependent variable. C: Elizabeth is collecting data about the relationship between height and weight of 8th grade students. She is interested if there is an association between the two variables without thinking of either one as an independent or dependent variable. D: Ginee, the manager of Jose's Coffee House, counted the number of cups of coffee sold each day for a week. She decides to represent the data using time as the independent variable and the number of cups of coffee sold as the dependent variable.