All Rules
d.f. | t = 0.1 |
1 | 3.078 |
2 | 1.886 |
3 | 1.638 |
4 | 1.533 |
5 | 1.476 |
6 | 1.440 |
7 | 1.415 |
8 | 1.397 |
9 | 1.383 |
10 | 1.372 |
11 | 1.363 |
12 | 1.356 |
13 | 1.350 |
14 | 1.345 |
15 | 1.341 |
16 | 1.337 |
17 | 1.333 |
18 | 1.330 |
19 | 1.328 |
20 | 1.325 |
21 | 1.323 |
22 | 1.321 |
23 | 1.319 |
24 | 1.318 |
25 | 1.316 |
26 | 1.315 |
27 | 1.314 |
28 | 1.313 |
29 | 1.311 |
30 | 1.310 |
40 | 1.303 |
60 | 1.296 |
120 | 1.289 |
[INFINITY] | 1.282 |
Note: for the sample adequacy calculations and 1 tail productivity comparisons, use column t = 0.1
From: Chambers, Jeanne C., and Ray W. Brown, 1983, Methods for vegetation sampling and analysis on revegetated mined lands, General Technical Report INT-151. Ogden, UT: United States Department of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 57p.
Miss. Code. tit. 11, pt. 8, ch. 2, app 11-8-2-A, 11-8-2-11-8-2-A-G