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Table of Student's t Values

 
Single-sided test
DF P
0.005 0.01 0.05 0.1
1 63.7 31.8 6.31 3.08
2 9.92 6.96 2.92 1.89
3 5.84 4.54 2.35 1.64
4 4.60 3.75 2.13 1.53
5 4.03 3.36 2.01 1.48
6 3.71 3.14 1.94 1.44
7 3.50 3.00 1.89 1.42
8 3.36 2.90 1.86 1.40
9 3.25 2.82 1.83 1.38
10 3.17 2.76 1.81 1.37
11 3.11 2.72 1.80 1.36
12 3.05 2.68 1.78 1.36
13 3.01 2.65 1.77 1.35
14 2.98 2.62 1.76 1.34
15 2.95 2.60 1.75 1.34
16 2.92 2.58 1.75 1.34
17 2.90 5.57 1.74 1.33
18 2.88 2.55 1.73 1.33
19 2.86 2.54 1.73 1.33
20 2.85 2.53 1.72 1.32
21 2.83 2.52 1.72 1.32
22 2.82 2.51 1.72 1.32
23 2.81 2.50 1.71 1.32
24 2.80 2.49 1.71 1.32
25 2.79 2.48 1.71 1.32
26 2.78 2.48 1.71 1.32
27 2.77 2.47 1.70 1.31
28 2.76 2.47 1.70 1.31
29 2.76 2.46 1.70 1.31
30 2.75 2.46 1.70 1.31
40 2.70 2.42 1.68 1.30
60 2.66 2.39 1.67 1.30
120 2.62 2.36 1.66 1.29
4 2.58 2.33 1.64 1.28
 
Double-sided test
DF P
0.005 0.01 0.05 0.1
1 127 63.7 12.7 6.31
2 14.1 9.92 4.30 2.92
3 7.45 5.84 3.18 2.35
4 5.60 4.60 2.78 2.13
5 4.77 4.03 2.57 2.01
6 4.32 3.71 2.45 1.94
7 4.03 3.50 2.36 1.89
8 3.83 3.36 2.31 1.86
9 3.69 3.25 2.26 1.83
10 3.58 3.17 2.23 1.81
11 3.50 3.11 2.20 1.80
12 3.43 3.05 2.18 1.78
13 3.37 3.01 2.16 1.77
14 3.33 2.98 2.14 1.76
15 3.29 2.95 2.13 1.75
16 3.25 2.92 2.12 1.75
17 3.22 2.90 2.11 1.74
18 3.20 2.88 2.10 1.73
19 3.17 2.86 2.09 1.73
20 3.15 2.85 2.09 1.72
21 3.14 2.83 2.08 1.72
22 3.12 2.82 2.07 1.72
23 3.10 2.81 2.07 1.71
24 3.09 2.80 2.06 1.71
25 3.08 2.79 2.06 1.71
26 3.07 2.78 2.06 1.71
27 3.06 2.77 2.05 1.70
28 3.05 2.76 2.05 1.70
29 3.04 2.76 2.05 1.70
30 3.03 2.75 2.04 1.70
40 2.97 2.70 2.02 1.68
60 2.91 2.66 2.00 1.67
120 2.86 2.62 1.98 1.66
4 2.81 2.58 1.96 1.64
 
       
   
       

Web page was updated 06/16/2009

 

 

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Central Analytical Laboratory - (217) 244-0868
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