Critical Values for Spearman's Rank Correlation Coefficient
Two-Tailed Test | .10 | .05 | .02 | .01 |
One tailed Test | 0.2 | 0.1 | 0.04 | 0.02 |
df=n-2, where n is the number of points | ||||
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 35 40 45 50 60 70 80 90 100 | .988 .900 .805 .729 .669 .622 .582 .549 .521 .497 .476 .458 .441 .426 .412 .400 .389 .378 .369 .360 .352 .344 .337 .330 .323 .317 .311 .306 .301 .296 .275 .257 .243 .231 .211 .195 .183 .173 .164 | .997 .950 .878 .811 .754 .707 .666 .632 .602 .576 .553 .532 .514 .497 .482 .468 .456 .444 .433 .423 .413 .404 .396 .388 .381 .374 .367 .361 .355 .349 .325 .304 .288 .273 .250 .232 .217 .205 .195 | .9995 .980 .934 .882 .833 .789 .750 .716 .685 .658 .634 .612 .592 .574 .558 .542 .528 .516 .503 .492 .482 .472 .462 .453 .445 .437 .430 .423 .416 .409 .381 .358 .338 .322 .295 .274 .256 .242 .230 | .9999 .990 .959 .917 .874 .834 .798 .765 .735 .708 .684 .661 .641 .623 .606 .590 .575 .561 .549 .537 .526 .515 .505 .496 .487 .479 .471 .463 .456 .449 .418 .393 .372 .354 .325 .303 .283 .267 .254 |