Your teacher surveyed the class to determine the number of hours that each student spent 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 for the data is why equals -7.2 X +98.9. Interpret the slope. How many points does the average final grade decrease for one hour on social media?

The slope of the trend line is -7.2. This means that for every one additional hour spent on social media, the average final grade decreases by 7.2 points.