Correlation

 

Critical Values of the Correlation Coefficient
Level of Significance for One-Tailed Test
.05 .025 .01 .005
Level of Significance for Two-Tailed Test
df .10 .05 .02 .01
1 .988 .997 1.000 .999
2 .900 .950 .980 .990
3 .805 .878 .934 .959
4 .729 .811 .882 .917
5 .669 .755 .833 .875
6 .622 .707 .789 .834
7 .582 .666 .750 .798
8 .549 .632 .716 .765
9 .521 .602 .685 .735
10 .497 .576 .658 .708
11 .476 .553 .634 .684
12 .458 .532 .612 .661
13 .441 .514 .592 .641
14 .426 .497 .574 .623
15 .412 .482 .558 .606
16 .400 .468 .543 .590
17 .389 .456 .529 .575
18 .378 .444 .516 .561
19 .369 .433 .503 .549
20 .360 .423 .492 .537
25 .323 .381 .445 .487
30 .296 .349 .409 .449
35 .275 .325 .381 .418
40 .257 .304 .358 .393
45 .243 .288 .338 .372
50 .231 .273 .322 .354
60 .211 .250 .295 .325
70 .195 .232 .274 .302
80 .183 .217 .257 .283
90 .173 .205 .242 .267
100 .164 .195 .230 .254