QUESTION 1 The supervisor of the Business Department at DWC believes that there is a linear relationship between students' high-school averages and college averages The following data has been collected about a group of students, nd 1} at The slope of the line of best t is {D b. The y-intercept line of best t is 0 CA The equation of the regression line is {D d. The relationship between the college average and the high school average grade is