Critical Values of r
These critical values of the Pearson r are presented for training purposes. For real problems, your statistics book or stat software will provide more actual estimates. Also, these values are only for 2-tailed tests at .05 alpha.
|
df |
.05 alpha |
|
1 |
0.997 |
|
2 |
0.950 |
|
3 |
0.878 |
|
4 |
0.811 |
|
5 |
0.755 |
|
6 |
0.707 |
|
7 |
0.666 |
|
8 |
0.632 |
|
9 |
0.602 |
|
10 |
0.576 |
|
11 |
0.553 |
|
12 |
0.532 |
|
13 |
0.514 |
|
14 |
0.497 |
|
15 |
0.482 |
|
16 |
0.468 |
|
17 |
0.456 |
|
18 |
0.444 |
|
19 |
0.433 |
|
20 |
0.423 |
|
25 |
0.381 |
|
30 |
0.349 |
|
35 |
0.325 |
|
40 |
0.304 |
|
45 |
0.288 |
|
50 |
0.273 |
|
60 |
0.250 |
|
70 |
0.232 |
|
80 |
0.217 |
|
90 |
0.205 |
|
100 |
0.195 |



