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 Y equals -7.2 X +98.9. Interpret the Y intercept what is the average grade if a student was on social media for zero hours?
The Y-intercept of the trend line indicates the average grade a student would receive if they spent zero hours on social media. In this case, the Y-intercept is 98.9. This means that the average grade a student would receive if they did not spend any time on social media is 98.9.
