q7. construct a scatterplot graph illustrating the amount of time a student spends studying verses the percentage of total points earned in the class by that student. make up data points for 30 students in a typical msu class. now, draw an approximate regression line. what does the regression line tell you about the relationship between the two variables? do you think this relationship would have a high or low r2 value? why? what other factors might affect grade in the class?