|
Table of Critical
Values for T
| |
Two
Tailed
Significance
|
| df |
0.2 |
0.1 |
0.05 |
0.01 |
0.005 |
0.001 |
0.0005 |
0.0001 |
|
2
|
1.89 |
2.92 |
4.30 |
9.92 |
14.09 |
31.60 |
44.70 |
100.14 |
|
3
|
1.64 |
2.35 |
3.18 |
5.84 |
7.45 |
12.92 |
16.33 |
28.01 |
|
4
|
1.53 |
2.13 |
2.78 |
4.60 |
5.60 |
8.61 |
10.31 |
15.53 |
|
5
|
1.48 |
2.02 |
2.57 |
4.03 |
4.77 |
6.87 |
7.98 |
11.18 |
|
6
|
1.44 |
1.94 |
2.45 |
3.71 |
4.32 |
5.96 |
6.79 |
9.08 |
|
7
|
1.41 |
1.89 |
2.36 |
3.50 |
4.03 |
5.41 |
6.08 |
7.89 |
|
8
|
1.40 |
1.86 |
2.31 |
3.36 |
3.83 |
5.04 |
5.62 |
7.12 |
|
9
|
1.38 |
1.83 |
2.26 |
3.25 |
3.69 |
4.78 |
5.29 |
6.59 |
|
10
|
1.37 |
1.81 |
2.23 |
3.17 |
3.58 |
4.59 |
5.05 |
6.21 |
|
11
|
1.36 |
1.80 |
2.20 |
3.11 |
3.50 |
4.44 |
4.86 |
5.92 |
|
12
|
1.36 |
1.78 |
2.18 |
3.05 |
3.43 |
4.32 |
4.72 |
5.70 |
|
13
|
1.35 |
1.77 |
2.16 |
3.01 |
3.37 |
4.22 |
4.60 |
5.51 |
|
14
|
1.35 |
1.76 |
2.14 |
2.98 |
3.33 |
4.14 |
4.50 |
5.36 |
|
15
|
1.34 |
1.75 |
2.13 |
2.95 |
3.29 |
4.07 |
4.42 |
5.24 |
|
16
|
1.34 |
1.75 |
2.12 |
2.92 |
3.25 |
4.01 |
4.35 |
5.13 |
|
17
|
1.33 |
1.74 |
2.11 |
2.90 |
3.22 |
3.97 |
4.29 |
5.04 |
|
18
|
1.33 |
1.73 |
2.10 |
2.88 |
3.20 |
3.92 |
4.23 |
4.97 |
|
19
|
1.33 |
1.73 |
2.09 |
2.86 |
3.17 |
3.88 |
4.19 |
4.90 |
|
20
|
1.33 |
1.72 |
2.09 |
2.85 |
3.15 |
3.85 |
4.15 |
4.84 |
|
21
|
1.32 |
1.72 |
2.08 |
2.83 |
3.14 |
3.82 |
4.11 |
4.78 |
|
22
|
1.32 |
1.72 |
2.07 |
2.82 |
3.12 |
3.79 |
4.08 |
4.74 |
|
23
|
1.32 |
1.71 |
2.07 |
2.81 |
3.10 |
3.77 |
4.05 |
4.69 |
|
24
|
1.32 |
1.71 |
2.06 |
2.80 |
3.09 |
3.75 |
4.02 |
4.65 |
|
25
|
1.32 |
1.71 |
2.06 |
2.79 |
3.08 |
3.73 |
4.00 |
4.62 |
|
26
|
1.31 |
1.71 |
2.06 |
2.78 |
3.07 |
3.71 |
3.97 |
4.59 |
|
27
|
1.31 |
1.70 |
2.05 |
2.77 |
3.06 |
3.69 |
3.95 |
4.56 |
|
28
|
1.31 |
1.70 |
2.05 |
2.76 |
3.05 |
3.67 |
3.93 |
4.53 |
|
29
|
1.31 |
1.70 |
2.05 |
2.76 |
3.04 |
3.66 |
3.92 |
4.51 |
|
30
|
1.31 |
1.70 |
2.04 |
2.75 |
3.03 |
3.65 |
3.90 |
4.48 |
|
35
|
1.31 |
1.69 |
2.03 |
2.72 |
3.00 |
3.59 |
3.84 |
4.39 |
|
40
|
1.30 |
1.68 |
2.02 |
2.70 |
2.97 |
3.55 |
3.79 |
4.32 |
|
45
|
1.30 |
1.68 |
2.01 |
2.69 |
2.95 |
3.52 |
3.75 |
4.27 |
|
50
|
1.30 |
1.68 |
2.01 |
2.68 |
2.94 |
3.50 |
3.72 |
4.23 |
|
55
|
1.30 |
1.67 |
2.00 |
2.67 |
2.92 |
3.48 |
3.70 |
4.20 |
|
60
|
1.30 |
1.67 |
2.00 |
2.66 |
2.91 |
3.46 |
3.68 |
4.17 |
|
65
|
1.29 |
1.67 |
2.00 |
2.65 |
2.91 |
3.45 |
3.66 |
4.15 |
|
70
|
1.29 |
1.67 |
1.99 |
2.65 |
2.90 |
3.43 |
3.65 |
4.13 |
|
75
|
1.29 |
1.67 |
1.99 |
2.64 |
2.89 |
3.42 |
3.64 |
4.11 |
|
80
|
1.29 |
1.66 |
1.99 |
2.64 |
2.89 |
3.42 |
3.63 |
4.10 |
|
85
|
1.29 |
1.66 |
1.99 |
2.63 |
2.88 |
3.41 |
3.62 |
4.08 |
|
90
|
1.29 |
1.66 |
1.99 |
2.63 |
2.88 |
3.40 |
3.61 |
4.07 |
|
95
|
1.29 |
1.66 |
1.99 |
2.63 |
2.87 |
3.40 |
3.60 |
4.06 |
|
100
|
1.29 |
1.66 |
1.98 |
2.63 |
2.87 |
3.39 |
3.60 |
4.05 |
|
200
|
1.29 |
1.65 |
1.97 |
2.60 |
2.84 |
3.34 |
3.54 |
3.97 |
|
500
|
1.28 |
1.65 |
1.96 |
2.59 |
2.82 |
3.31 |
3.50 |
3.92 |
|
1000
|
1.28 |
1.65 |
1.96 |
2.58 |
2.81 |
3.30 |
3.49 |
3.91 |
Infinity
|
1.28 |
1.64 |
1.96 |
2.58 |
2.81 |
3.29 |
3.48 |
3.89 |
|