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x 1 2 3 4 5 6 7 8 9 10
1 632 264 080 019 004 001 .000 000 .000 000
2 865 594 323 -143 053 O17 005 001 -000 000
3 950 801 S77 B53 185 084 034 012 004 001
4 982 908 762 567 3n 215 All 051 021 008
5 993 960 875 -735 560 384 238 133 .068 .032
6 998 983 938 849 7S 554 394 .256 153 084
7 999 993 970 918 827 699 550 401 an 170
8 1.000 997 986 958 900 809 687 SAT 407 283
9 999 994 979 945 884 .793 676 544 413
10 1.000 997 990 gn 933 870 780 667 542
1 .999 995 985 962 921 857 -768 659
12 1.000 998 992 .980 954 911 845 758
13 999 996 989 974 946 -900 834
4 1.000 998 994 986 968 938 891
15 999 997 992 982 963 930
--- Trang 808 ---
Appendix Tables 795
Table A.5 Critical Values for t Distributions
1, density curve
x
0 few
@
v \ -10 05 025 01 005 001 0005
1 3.078 6.314 12.706 31.821 63.657 318.31 636.62
2 1.886 2.920 4.303 6.965 9.925 22.326 31.598
3 1.638 2.353 3.182 4.541 5.841 10.213 12.924
4 1.533 2.132 2.776 3.747 4.604 7.173 8.610
5 1.476 2.015 2.571 3.365 4.032 5.893 6.869
6 1.440 1.943 2.447 3.143 3.707 5.208 5.959
% 1.415 1.895 2.365 2.998 3.499 4.785 5.408
8 1.397 1.860 2.306 2.896 3.355 4.501 5.041
9 1.383 1.833 2.262 2.821 3.250 4.297 4.781
10 1.372 1.812 2.228 2.764 3.169 4.144 4.587
ist 1.363 1.796 2.201 2.718 3.106 4.025 4.437
12 1.356 1.782 2.179 2.681 3.055 3.930 4.318
13 1.350 1.771 2.160 2.650 3.012 3.852 4.221
14 1.345 1.761 2.145 2.624 2.977 3.787 4.140
15 1.341 1.753 2.131 2.602 2.947 3.733 4.073
16 1.337 1.746 2.120 2.583 2.921 3.686 4.015
17 1.333 1.740 2.110 2.567 2.898 3.646 3.965
18 1.330 1.734 2.101 2.552 2.878 3.610 3.922
19 1.328 1.729 2.093 2.539 2.861 3.579 3.883
20 1.325 1.725 2.086 2.528 2.845 3.552 3.850
21 1.323 1.721 2.080 2518 2.831 3.527 3.819
22 1.321 1717 2.074 2.508 2.819 3.505 3.792
23 1.319 1.714 2.069 2.500 2.807 3.485 3.767
24 1.318 1711 2.064 2.492 2.197 3.467 3.745
25 1.316 1.708 2.060 2.485 2.787 3.450 3.725
26 1.315 1.706 2.056 2.479 2.779 3.435 3.707
27 1.314 1.703 2.052 2.473 2.771 3.421 3.690
28 1.313 1.701 2.048 2.467 2.763 3.408 3.674
29 1.311 1.699 2.045 2.462 2.756 3.396 3.659
30 1.310 1.697 2.042 2.457 2.750 3.385 3.646
32 1.309 1,694 2.037 2.449 2.738 3.365 3.622
34 1.307 1.691 2.032 2.441 2.728 3.348 3.601
36 1.306 1.688 2.028 2.434 2.719 3.333 3.582
38 1.304 1.686 2.024 2.429 2712 3.319 3.566
40 1.303 1.684 2.021 2.423 2.704 3.307 3.551
50 1.299 1.676 2.009 2.403 2.678 3.262 3.496
60 1.296 1.671 2.000 2.390 2.660 3.232 3.460
120 1.289 1.658 1.980 2.358 2.617 3.160 3.373
00 1.282 1.645 1.960 2.326 2.576 3.090 3.291
--- Trang 809 ---
796 Appendix Tables