A teacher collected data to see if there was a relationship between how a student performed on a test and how long the student spent studying. A trend line has been drawn for the data. The equation for the line is: y = 0.80x + 59. Which BEST interprets the slope of the linear model?
Responses
A A student who studied for 30 minutes is predicted to earn a grade of 80 points.A student who studied for 30 minutes is predicted to earn a grade of 80 points.
B A student who did not study for the test is predicted to earn a grade of 59 points.A student who did not study for the test is predicted to earn a grade of 59 points.
C Each additional minute of study time is associated with an additional 0.8 points on the test.Each additional minute of study time is associated with an additional 0.8 points on the test.
D Each additional 0.80 minutes of study time is associated with an additional point on the test.