What are the answers for the problems below? please give me explanations as well. please ignore the red number. thank you

1. Two measures, x and y. were taken, and the correlation and least-squares regression line were computed. The following is a plot of the residuals for the regression analysis: 10 . . . . 5 0 -5 o . -10 . . -15 -10 -5 0 5 10 Which of the following is the most likely value for the correlation coefficient, r? A. =090 B. -0.50 C. 0 D. 0.50 E. 0.90