The data below are the final exam scores of 10 randomly selected statistics students

The data below are the final exam scores of 10 randomly selected statistics students and the number of hours they studied for the exam. Find the equation of the regression line for the given data. Predict the final exam score for students who studied 4 hours. Predict the final exam score for students who studied 6 hours.
Hours (X) 3 5 2 8 2 4 4 5 6 3 
Score (Y) 75 90 70 98 76 88 95 99 98 81