Your teacher surveyed the class to determine the number of hours that each student spen on social media. Your teacher created a table and scatterplot graph that displayed the number of hours and the average final grade based on the hours. The trend line (equation
for the data is y = -7.2x + 98.9. Interpret the slope. How many points does the average
final grade decrease for 1 hour on social media? (1 point)