Critical Values of the Pearson Correlation Coefficient r NOTE: To test n H0: alphaequals=0.05 alphaequals=0.01 4 0.95 0.99 =0 5 0.878 0.959 against 6 0.811 0.917 H1: 7 0.754 0.875 0, 8 0.707 0.834 reject 9 0.666 0.798 H0 10 0.632 0.765 if the absolute value of r is greater than the critical value in the table. 11 0.602 0.735 12 0.576 0.708 13 0.553 0.684 14 0.532 0.661 15 0.514 0.641 16 0.497 0.623 17 0.482 0.606 18 0.468 0.59 19 0.456 0.575 20 0.444 0.561 25 0.396 0.505 30 0.361 0.463 35 0.335 0.43 40 0.312 0.402 45 0.294 0.378 50 0.279 0.361 60 0.254 0.33 70 0.236 0.305 80 0.22 0.286 90 0.207 0.269 100 0.196 0.256