Question

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 (equation) for the data is y = -7.2x +

Answer 1

95.6

This equation indicates that for every hour increase in the time spent on social media, the average final grade decreases by 7.2 points. The intercept at 95.6 represents the average final grade of a student who spends no time on social media.