(a) Display the data in a scatter plot. Choose the correct graph below. O A OB. OC. OD 8- 6- 3000- 24007 1800- 1200- 600- 4 A 3000+ TII 2400 1800- 1200- 600- 0- 0 6 8 Age (years) 4- 2- 3000 1500 3000 Age (years) 1500 Age (years) Age (years) rData table Age, x 1 2 3 4 5 Vocabulary size, y 8 240 560 1200 2200 2700 740 2400 260 1300 2600 6 3 ANO 5 2 4 6 rCritical Values for the Pearson Correlation Coefficient The correlation is significant when the absolute value of 1 is greater than the value in the table. n 4 5 O AS 7 8 9 10 11 a = 0.05 0.950 0.878 0.811 0.754 0.707 0.666 0.632 0.602 0.576 0.553 0.532 0.514 0.497 0.482 0.468 a = 0.01 0.990 0.959 0.917 0.875 0.834 0.798 0.765 0.735 0.708 0.684 0.661 0.641 0.623 0.606 0.590 12 13 14 15 16 17 18 r19 20 21 22 23 24 25 26 27 28 29 30 35 40 45 50 55 60 65 70 75 80 85 90 95 0.456 0.444 0.433 0.423 0.413 0.404 0.396 0.388 0.381 0.374 0.367 0.361 0.334 0.312 0.294 0.279 0.266 0.254 0.244 0.235 0.227 0.220 0.213 0.207 0.202 0.575 0.561 0.549 0.537 0.526 0.515 0.505 0.496 0.487 0.479 0.471 0.463 0.430 0.403 0.380 0.361 0.345 0.330 0.317 0.306 0.296 0.286 0.278 0.270 0.263 r100 n 0.197 a = 0.05 0.256 a = 0.01 =