Based on the trend lines you just generated, which of these statements are true? Check all that apply. Both scatterplots had trend lines with positive slopes. The same test score is expected from studying for 5 hours or sleeping for 5 hours. There is no correlation between the test scores and the number of hours slept. The regression line can predict the number of hours studied based on the number of hours slept. There is evidence that those with higher test scores tended to sleep more the night before.