Find the equation of the regression line for the given data. Then construct a scatter plot of the data and draw the regression line. (The pair of variables have a significant correlation.) Then use the regression equation to predict the value of y for each of the given x-values, if meaningful. The number of hours 6 students spent for a test and their scores on that test are shown below. Hours spent studying, x 0 2 3 4 4 6 (a) x = 2 hours (b) x =3.5 hours Test score, y 39 44 52 48 63 67 (c) x = 15 hours (d) x =4.5 hours Find the regression equation. y = x +0D (Round the slope to three decimal places as needed. Round the y-intercept to two decimal places as needed.) Choose the correct graph below. O A . O B. O c. OD. O 80 80- 80- Test score Test score Test score Test score 0 Hours studying Hours studying Hours studying Hours studying