9781118041581

Special Appendix to Chapter 4 Statistical Tables 189

TABLE 4B.2

Fractiles of the

t-Distribution

Degrees of Fractile

Freedom .95 .975

1 6.31 12.71

2 2.92 4.30

3 2.35 3.18

4 2.13 2.78

5 2.01 2.57

6 1.94 2.45

7 1.90 2.36

8 1.86 2.31

9 1.83 2.26

10 1.81 2.23

11 1.80 2.20

12 1.78 2.18

13 1.77 2.16

14 1.76 2.14

15 1.75 2.13

16 1.75 2.12

17 1.74 2.11

18 1.73 2.10

19 1.73 2.09

20 1.72 2.09

40 1.68 2.02

60 1.67 2.00

 1.64 1.96

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