For a sample of size
, twosided critical values are given for significance levels .10, .05, and .01. Reject the null hypothesis of independence if the absolute value of the sample Spearman correlation coefficient exceeds the tabled value.
Table 1:
Critical values for Spearman's rank correlation coefficient.

Twosided 

.10 
.05 
.01 




5 
.900 
 
 
6 
.829 
.886 
 
7 
.714 
.786 
.929 
8 
.643 
.738 
.881 
9 
.600 
.700 
.833 
10 
.564 
.648 
.794 
11 
.536 
.618 
.818 
12 
.497 
.591 
.780 
13 
.475 
.566 
.745 
14 
.457 
.545 
.716 
15 
.441 
.525 
.689 
16 
.425 
.507 
.666 
17 
.412 
.490 
.645 
18 
.399 
.476 
.625 
19 
.388 
.462 
.608 
20 
.377 
.450 
.591 
21 
.368 
.438 
.576 
22 
.359 
.428 
.562 
23 
.351 
.418 
.549 
24 
.343 
.409 
.537 
25 
.336 
.400 
.526 
26 
.329 
.392 
.515 
27 
.323 
.385 
.505 
28 
.317 
.377 
.496 
29 
.311 
.370 
.487 
30 
.305 
.364 
.478 