Astudent at a junior college conducted a survey of 20 randomly selected full-time students to determine the relation between the number of hours of video game playing each week, x, and grade-point average, y. she found that a linear relation exists between the two variables. the least-squares regression line that describes this relation is modifyingabove y with caret equals negative 0.0596 x plus 2.9191y=−0.0596x+2.9191. (a) predict the grade-point average of a student who plays video games 8 hours per week.