| r values for two-tailed probabilities (P) |  | Two-tailed probabilities (P) | ||
---|---|---|---|---|---|
Sample size | 0.05 | 0.01 | Sample size | 0.05 | 0.01 |
3 | 1.00 | 1.00 | 23 | 0.41 | 0.53 |
4 | 0.95 | 0.99 | 24 | 0.40 | 0.52 |
5 | 0.88 | 0.96 | 25 | 0.40 | 0.51 |
6 | 0.81 | 0.92 | 26 | 0.39 | 0.50 |
7 | 0.75 | 0.87 | 27 | 0.38 | 0.49 |
8 | 0.71 | 0.83 | 28 | 0.37 | 0.48 |
9 | 0.67 | 0.80 | 29 | 0.37 | 0.47 |
10 | 0.63 | 0.76 | 30 | 0.36 | 0.46 |
11 | 0.60 | 0.73 | 40 | 0.31 | 0.40 |
12 | 0.58 | 0.71 | 50 | 0.28 | 0.36 |
13 | 0.55 | 0.68 | 60 | 0.25 | 0.33 |
14 | 0.53 | 0.66 | 70 | 0.24 | 0.31 |
15 | 0.51 | 0.64 | 80 | 0.22 | 0.29 |
16 | 0.50 | 0.62 | 90 | 0.21 | 0.27 |
17 | 0.48 | 0.61 | 100 | 0.20 | 0.26 |
18 | 0.47 | 0.59 | 110 | 0.19 | 0.24 |
19 | 0.46 | 0.58 | 120 | 0.18 | 0.23 |
20 | 0.44 | 0.56 | 130 | 0.17 | 0.23 |
21 | 0.43 | 0.55 | 140 | 0.17 | 0.22 |
22 | 0.42 | 0.54 | 150 | 0.16 | 0.21 |