A student's course grade is related to class attendance. The grade can be modeled by the equation ý = 0.66x +33.3, where ŷ is the student's grade as a percentage
and x is the number of days that the student attended class. For a student who was in attendance for 90 days and has a grade of 94%, find and interpret the residual.
-1.3; The regression line underpredicts the student's class average.
1.3; The regression line overpredicts the student's class average.
-1.3; The regression line overpredicts the student's class average.
1.3; The regression line underpredicts the student's class average.
