Complete parts a through d for the following (x,y) pairs of data points. (1,2), (3,7), (5,6), (6,8), and (8,9) O D. a. Prepare a scatter plot of these data points. O C. 10- O B 10- O 10- 10- O 0- 10 X 40 b. Compute b1 - by = ](Round to three decimal places as needed.)