The slope of the trend line is -7.2. This means that for each additional hour a student spends on social media, their average final grade decreases by 7.2 points.
Using Trend Lines Practice
Complete this assessment to review what you've learned. It will not count toward your grade.
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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+98.9
. Interpret the slope. How many points does the average final grade decrease for 1 hour on social media?(1 point)
1 answer