P(T > ) =
k 0.005 0.01 0.015 0.02 0.025 0.03
1 63.6567 31.8205 21.2049 15.8945 12.7062 10.5789
2 9.9248 6.9646 5.6428 4.8487 4.3027 3.8964
3 5.8409 4.5407 3.8960 3.4819 3.1824 2.9505
4 4.6041 3.7469 3.2976 2.9985 2.7764 2.6008
5 4.0321 3.3649 3.0029 2.7565 2.5706 2.4216
6 3.7074 3.1427 2.8289 2.6122 2.4469 2.3133
7 3.4995 2.9980 2.7146 2.5168 2.3646 2.2409
8 3.3554 2.8965 2.6338 2.4490 2.3060 2.1892
9 3.2498 2.8214 2.5738 2.3984 2.2622 2.1504
10 3.1693 2.7638 2.5275 2.3593 2.2281 2.1202
11 3.1058 2.7181 2.4907 2.3281 2.2010 2.0961
12 3.0545 2.6810 2.4607 2.3027 2.1788 2.0764
13 3.0123 2.6503 2.4358 2.2816 2.1604 2.0600
14 2.9768 2.6245 2.4149 2.2638 2.1448 2.0462
15 2.9467 2.6025 2.3970 2.2485 2.1314 2.0343
16 2.9208 2.5835 2.3815 2.2354 2.1199 2.0240
17 2.8982 2.5669 2.3681 2.2238 2.1098 2.0150
18 2.8784 2.5524 2.3562 2.2137 2.1009 2.0071
19 2.8609 2.5395 2.3456 2.2047 2.0930 2.0000
20 2.8453 2.5280 2.3362 2.1967 2.0860 1.9937
21 2.8314 2.5176 2.3278 2.1894 2.0796 1.9880
22 2.8188 2.5083 2.3202 2.1829 2.0739 1.9829
23 2.8073 2.4999 2.3132 2.1770 2.0687 1.9782
24 2.7969 2.4922 2.3069 2.1715 2.0639 1.9740
25 2.7874 2.4851 2.3011 2.1666 2.0595 1.9701
26 2.7787 2.4786 2.2958 2.1620 2.0555 1.9665
27 2.7707 2.4727 2.2909 2.1578 2.0518 1.9632
28 2.7633 2.4671 2.2864 2.1539 2.0484 1.9601
29 2.7564 2.4620 2.2822 2.1503 2.0452 1.9573
30 2.7500 2.4573 2.2783 2.1470 2.0423 1.9546
31 2.7440 2.4528 2.2746 2.1438 2.0395 1.9522
32 2.7385 2.4487 2.2712 2.1409 2.0369 1.9499
33 2.7333 2.4448 2.2680 2.1382 2.0345 1.9477
34 2.7284 2.4411 2.2650 2.1356 2.0322 1.9457
35 2.7238 2.4377 2.2622 2.1332 2.0301 1.9438
36 2.7195 2.4345 2.2595 2.1309 2.0281 1.9419
37 2.7154 2.4314 2.2570 2.1287 2.0262 1.9402
38 2.7116 2.4286 2.2546 2.1267 2.0244 1.9386
39 2.7079 2.4258 2.2524 2.1247 2.0227 1.9371
40 2.7045 2.4233 2.2503 2.1229 2.0211 1.9357
k
t
Trang 2k 0.005 0.01 0.015 0.02 0.025 0.03
41 2.7012 2.4208 2.2482 2.1212 2.0195 1.9343
42 2.6981 2.4185 2.2463 2.1195 2.0181 1.9330
43 2.6951 2.4163 2.2445 2.1179 2.0167 1.9317
44 2.6923 2.4141 2.2427 2.1164 2.0154 1.9305
45 2.6896 2.4121 2.2411 2.1150 2.0141 1.9294
46 2.6870 2.4102 2.2395 2.1136 2.0129 1.9283
47 2.6846 2.4083 2.2380 2.1123 2.0117 1.9273
48 2.6822 2.4066 2.2365 2.1111 2.0106 1.9263
49 2.6800 2.4049 2.2351 2.1099 2.0096 1.9253
50 2.6778 2.4033 2.2338 2.1087 2.0086 1.9244
51 2.6757 2.4017 2.2325 2.1076 2.0076 1.9236
52 2.6737 2.4002 2.2313 2.1066 2.0066 1.9227
53 2.6718 2.3988 2.2301 2.1055 2.0057 1.9219
54 2.6700 2.3974 2.2289 2.1046 2.0049 1.9211
55 2.6682 2.3961 2.2278 2.1036 2.0040 1.9204
56 2.6665 2.3948 2.2268 2.1027 2.0032 1.9197
57 2.6649 2.3936 2.2258 2.1018 2.0025 1.9190
58 2.6633 2.3924 2.2248 2.1010 2.0017 1.9183
59 2.6618 2.3912 2.2238 2.1002 2.0010 1.9177
60 2.6603 2.3901 2.2229 2.0994 2.0003 1.9170
61 2.6589 2.3890 2.2220 2.0986 1.9996 1.9164
62 2.6575 2.3880 2.2212 2.0979 1.9990 1.9158
63 2.6561 2.3870 2.2204 2.0971 1.9983 1.9153
64 2.6549 2.3860 2.2195 2.0965 1.9977 1.9147
65 2.6536 2.3851 2.2188 2.0958 1.9971 1.9142
66 2.6524 2.3842 2.2180 2.0951 1.9966 1.9137
67 2.6512 2.3833 2.2173 2.0945 1.9960 1.9132
68 2.6501 2.3824 2.2166 2.0939 1.9955 1.9127
69 2.6490 2.3816 2.2159 2.0933 1.9949 1.9122
70 2.6479 2.3808 2.2152 2.0927 1.9944 1.9118
71 2.6469 2.3800 2.2146 2.0922 1.9939 1.9113
72 2.6459 2.3793 2.2139 2.0916 1.9935 1.9109
73 2.6449 2.3785 2.2133 2.0911 1.9930 1.9105
74 2.6439 2.3778 2.2127 2.0906 1.9925 1.9101
75 2.6430 2.3771 2.2122 2.0901 1.9921 1.9097
76 2.6421 2.3764 2.2116 2.0896 1.9917 1.9093
77 2.6412 2.3758 2.2110 2.0891 1.9913 1.9089
78 2.6403 2.3751 2.2105 2.0887 1.9908 1.9085
79 2.6395 2.3745 2.2100 2.0882 1.9905 1.9082
80 2.6387 2.3739 2.2095 2.0878 1.9901 1.9078
Trang 3P(T > ) =
k 0.005 0.01 0.015 0.02 0.025 0.03
81 2.6379 2.3733 2.2090 2.0873 1.9897 1.9075
82 2.6371 2.3727 2.2085 2.0869 1.9893 1.9072
83 2.6364 2.3721 2.2080 2.0865 1.9890 1.9068
84 2.6356 2.3716 2.2076 2.0861 1.9886 1.9065
85 2.6349 2.3710 2.2071 2.0857 1.9883 1.9062
86 2.6342 2.3705 2.2067 2.0854 1.9879 1.9059
87 2.6335 2.3700 2.2063 2.0850 1.9876 1.9056
88 2.6329 2.3695 2.2058 2.0846 1.9873 1.9053
89 2.6322 2.3690 2.2054 2.0843 1.9870 1.9051
90 2.6316 2.3685 2.2050 2.0839 1.9867 1.9048
91 2.6309 2.3680 2.2047 2.0836 1.9864 1.9045
92 2.6303 2.3676 2.2043 2.0833 1.9861 1.9043
93 2.6297 2.3671 2.2039 2.0830 1.9858 1.9040
94 2.6291 2.3667 2.2035 2.0826 1.9855 1.9038
95 2.6286 2.3662 2.2032 2.0823 1.9853 1.9035
96 2.6280 2.3658 2.2028 2.0820 1.9850 1.9033
97 2.6275 2.3654 2.2025 2.0817 1.9847 1.9030
98 2.6269 2.3650 2.2021 2.0814 1.9845 1.9028
99 2.6264 2.3646 2.2018 2.0812 1.9842 1.9026
100 2.6259 2.3642 2.2015 2.0809 1.9840 1.9024
101 2.6254 2.3638 2.2012 2.0806 1.9837 1.9022
102 2.6249 2.3635 2.2009 2.0803 1.9835 1.9019
103 2.6244 2.3631 2.2006 2.0801 1.9833 1.9017
104 2.6239 2.3627 2.2003 2.0798 1.9830 1.9015
105 2.6235 2.3624 2.2000 2.0796 1.9828 1.9013
106 2.6230 2.3620 2.1997 2.0793 1.9826 1.9011
107 2.6226 2.3617 2.1994 2.0791 1.9824 1.9009
108 2.6221 2.3614 2.1991 2.0789 1.9822 1.9008
109 2.6217 2.3610 2.1989 2.0786 1.9820 1.9006
110 2.6213 2.3607 2.1986 2.0784 1.9818 1.9004
120 2.6174 2.3578 2.1962 2.0763 1.9799 1.8987
130 2.6142 2.3554 2.1942 2.0746 1.9784 1.8973
140 2.6114 2.3533 2.1924 2.0731 1.9771 1.8962
150 2.6090 2.3515 2.1909 2.0718 1.9759 1.8951
160 2.6069 2.3499 2.1896 2.0706 1.9749 1.8942
170 2.6051 2.3485 2.1885 2.0696 1.9740 1.8934
180 2.6034 2.3472 2.1874 2.0687 1.9732 1.8927
190 2.6020 2.3461 2.1865 2.0679 1.9725 1.8921
200 2.6006 2.3451 2.1857 2.0672 1.9719 1.8915
210 2.5994 2.3442 2.1849 2.0666 1.9713 1.8910
k
t
Trang 4k 0.005 0.01 0.015 0.02 0.025 0.03
220 2.5984 2.3434 2.1843 2.0660 1.9708 1.8905
230 2.5974 2.3427 2.1836 2.0655 1.9703 1.8901
240 2.5965 2.3420 2.1831 2.0650 1.9699 1.8897
250 2.5956 2.3414 2.1825 2.0645 1.9695 1.8894
260 2.5949 2.3408 2.1821 2.0641 1.9691 1.8890
270 2.5942 2.3402 2.1816 2.0637 1.9688 1.8887
280 2.5935 2.3397 2.1812 2.0634 1.9685 1.8884
290 2.5929 2.3393 2.1808 2.0630 1.9682 1.8882
300 2.5923 2.3388 2.1805 2.0627 1.9679 1.8879
310 2.5918 2.3384 2.1801 2.0624 1.9676 1.8877
320 2.5913 2.3381 2.1798 2.0622 1.9674 1.8875
330 2.5908 2.3377 2.1795 2.0619 1.9672 1.8873
340 2.5904 2.3374 2.1792 2.0617 1.9670 1.8871
350 2.5899 2.3370 2.1790 2.0614 1.9668 1.8869
360 2.5896 2.3368 2.1787 2.0612 1.9666 1.8867
370 2.5892 2.3365 2.1785 2.0610 1.9664 1.8866
380 2.5888 2.3362 2.1783 2.0608 1.9662 1.8864
390 2.5885 2.3359 2.1781 2.0606 1.9661 1.8863
400 2.5882 2.3357 2.1779 2.0605 1.9659 1.8861
1000 2.5808 2.3301 2.1732 2.0564 1.9623 1.8829
Trang 5P(T > ) =
k 0.035 0.04 0.05 0.075 0.1
1 9.0579 7.9158 6.3138 4.1653 3.0777
2 3.5782 3.3198 2.9200 2.2819 1.8856
3 2.7626 2.6054 2.3534 1.9243 1.6377
4 2.4559 2.3329 2.1318 1.7782 1.5332
5 2.2974 2.1910 2.0150 1.6994 1.4759
6 2.2011 2.1043 1.9432 1.6502 1.4398
7 2.1365 2.0460 1.8946 1.6166 1.4149
8 2.0902 2.0042 1.8595 1.5922 1.3968
9 2.0554 1.9727 1.8331 1.5737 1.3830
10 2.0283 1.9481 1.8125 1.5592 1.3722
11 2.0067 1.9284 1.7959 1.5476 1.3634
12 1.9889 1.9123 1.7823 1.5380 1.3562
13 1.9742 1.8989 1.7709 1.5299 1.3502
14 1.9617 1.8875 1.7613 1.5231 1.3450
15 1.9509 1.8777 1.7531 1.5172 1.3406
16 1.9417 1.8693 1.7459 1.5121 1.3368
17 1.9335 1.8619 1.7396 1.5077 1.3334
18 1.9264 1.8553 1.7341 1.5037 1.3304
19 1.9200 1.8495 1.7291 1.5002 1.3277
20 1.9143 1.8443 1.7247 1.4970 1.3253
21 1.9092 1.8397 1.7207 1.4942 1.3232
22 1.9045 1.8354 1.7171 1.4916 1.3212
23 1.9003 1.8316 1.7139 1.4893 1.3195
24 1.8965 1.8281 1.7109 1.4871 1.3178
25 1.8929 1.8248 1.7081 1.4852 1.3163
26 1.8897 1.8219 1.7056 1.4834 1.3150
27 1.8867 1.8191 1.7033 1.4817 1.3137
28 1.8839 1.8166 1.7011 1.4801 1.3125
29 1.8813 1.8142 1.6991 1.4787 1.3114
30 1.8789 1.8120 1.6973 1.4774 1.3104
31 1.8767 1.8100 1.6955 1.4761 1.3095
32 1.8746 1.8081 1.6939 1.4749 1.3086
33 1.8726 1.8063 1.6924 1.4738 1.3077
34 1.8708 1.8046 1.6909 1.4728 1.3070
35 1.8691 1.8030 1.6896 1.4718 1.3062
36 1.8674 1.8015 1.6883 1.4709 1.3055
37 1.8659 1.8001 1.6871 1.4701 1.3049
38 1.8644 1.7988 1.6860 1.4692 1.3042
39 1.8630 1.7975 1.6849 1.4685 1.3036
40 1.8617 1.7963 1.6839 1.4677 1.3031
k
t
Trang 6k 0.035 0.04 0.05 0.075 0.1
41 1.8605 1.7952 1.6829 1.4670 1.3025
42 1.8593 1.7941 1.6820 1.4664 1.3020
43 1.8582 1.7931 1.6811 1.4657 1.3016
44 1.8571 1.7921 1.6802 1.4651 1.3011
45 1.8561 1.7911 1.6794 1.4645 1.3006
46 1.8551 1.7902 1.6787 1.4640 1.3002
47 1.8541 1.7894 1.6779 1.4635 1.2998
48 1.8532 1.7885 1.6772 1.4629 1.2994
49 1.8524 1.7878 1.6766 1.4625 1.2991
50 1.8516 1.7870 1.6759 1.4620 1.2987
51 1.8508 1.7863 1.6753 1.4615 1.2984
52 1.8500 1.7856 1.6747 1.4611 1.2980
53 1.8493 1.7849 1.6741 1.4607 1.2977
54 1.8486 1.7843 1.6736 1.4603 1.2974
55 1.8479 1.7836 1.6730 1.4599 1.2971
56 1.8472 1.7830 1.6725 1.4596 1.2969
57 1.8466 1.7825 1.6720 1.4592 1.2966
58 1.8460 1.7819 1.6716 1.4589 1.2963
59 1.8454 1.7814 1.6711 1.4585 1.2961
60 1.8448 1.7808 1.6706 1.4582 1.2958
61 1.8443 1.7803 1.6702 1.4579 1.2956
62 1.8437 1.7799 1.6698 1.4576 1.2954
63 1.8432 1.7794 1.6694 1.4573 1.2951
64 1.8427 1.7789 1.6690 1.4570 1.2949
65 1.8423 1.7785 1.6686 1.4567 1.2947
66 1.8418 1.7781 1.6683 1.4565 1.2945
67 1.8413 1.7776 1.6679 1.4562 1.2943
68 1.8409 1.7772 1.6676 1.4560 1.2941
69 1.8405 1.7769 1.6672 1.4557 1.2939
70 1.8401 1.7765 1.6669 1.4555 1.2938
71 1.8397 1.7761 1.6666 1.4553 1.2936
72 1.8393 1.7757 1.6663 1.4551 1.2934
73 1.8389 1.7754 1.6660 1.4548 1.2933
74 1.8385 1.7751 1.6657 1.4546 1.2931
75 1.8381 1.7747 1.6654 1.4544 1.2929
76 1.8378 1.7744 1.6652 1.4542 1.2928
77 1.8375 1.7741 1.6649 1.4540 1.2926
78 1.8371 1.7738 1.6646 1.4538 1.2925
79 1.8368 1.7735 1.6644 1.4537 1.2924
80 1.8365 1.7732 1.6641 1.4535 1.2922
Trang 7P(T > ) =
k 0.035 0.04 0.05 0.075 0.1
81 1.8362 1.7729 1.6639 1.4533 1.2921
82 1.8359 1.7727 1.6636 1.4531 1.2920
83 1.8356 1.7724 1.6634 1.4530 1.2918
84 1.8353 1.7721 1.6632 1.4528 1.2917
85 1.8350 1.7719 1.6630 1.4527 1.2916
86 1.8348 1.7716 1.6628 1.4525 1.2915
87 1.8345 1.7714 1.6626 1.4524 1.2914
88 1.8342 1.7711 1.6624 1.4522 1.2912
89 1.8340 1.7709 1.6622 1.4521 1.2911
90 1.8337 1.7707 1.6620 1.4519 1.2910
91 1.8335 1.7705 1.6618 1.4518 1.2909
92 1.8332 1.7702 1.6616 1.4517 1.2908
93 1.8330 1.7700 1.6614 1.4515 1.2907
94 1.8328 1.7698 1.6612 1.4514 1.2906
95 1.8326 1.7696 1.6611 1.4513 1.2905
96 1.8323 1.7694 1.6609 1.4511 1.2904
97 1.8321 1.7692 1.6607 1.4510 1.2903
98 1.8319 1.7690 1.6606 1.4509 1.2902
99 1.8317 1.7688 1.6604 1.4508 1.2902
100 1.8315 1.7687 1.6602 1.4507 1.2901
101 1.8313 1.7685 1.6601 1.4506 1.2900
102 1.8311 1.7683 1.6599 1.4505 1.2899
103 1.8309 1.7681 1.6598 1.4503 1.2898
104 1.8308 1.7680 1.6596 1.4502 1.2897
105 1.8306 1.7678 1.6595 1.4501 1.2897
106 1.8304 1.7676 1.6594 1.4500 1.2896
107 1.8302 1.7675 1.6592 1.4499 1.2895
108 1.8301 1.7673 1.6591 1.4498 1.2894
109 1.8299 1.7672 1.6590 1.4497 1.2894
110 1.8297 1.7670 1.6588 1.4497 1.2893
120 1.8282 1.7656 1.6577 1.4488 1.2886
130 1.8270 1.7645 1.6567 1.4481 1.2881
140 1.8259 1.7635 1.6558 1.4475 1.2876
150 1.8249 1.7626 1.6551 1.4469 1.2872
160 1.8241 1.7619 1.6544 1.4465 1.2869
170 1.8234 1.7612 1.6539 1.4461 1.2866
180 1.8228 1.7606 1.6534 1.4457 1.2863
190 1.8222 1.7601 1.6529 1.4454 1.2860
200 1.8217 1.7596 1.6525 1.4451 1.2858
210 1.8212 1.7592 1.6521 1.4448 1.2856
k
t
Trang 8k 0.035 0.04 0.05 0.075 0.1
220 1.8208 1.7588 1.6518 1.4446 1.2854
230 1.8204 1.7585 1.6515 1.4444 1.2852
240 1.8200 1.7581 1.6512 1.4442 1.2851
250 1.8197 1.7578 1.6510 1.4440 1.2849
260 1.8194 1.7576 1.6507 1.4438 1.2848
270 1.8191 1.7573 1.6505 1.4436 1.2847
280 1.8189 1.7571 1.6503 1.4435 1.2846
290 1.8186 1.7568 1.6501 1.4434 1.2845
300 1.8184 1.7566 1.6499 1.4432 1.2844
310 1.8182 1.7564 1.6498 1.4431 1.2843
320 1.8180 1.7563 1.6496 1.4430 1.2842
330 1.8178 1.7561 1.6495 1.4429 1.2841
340 1.8176 1.7559 1.6493 1.4428 1.2840
350 1.8175 1.7558 1.6492 1.4427 1.2840
360 1.8173 1.7556 1.6491 1.4426 1.2839
370 1.8172 1.7555 1.6490 1.4425 1.2838
380 1.8170 1.7554 1.6489 1.4424 1.2838
390 1.8169 1.7553 1.6488 1.4424 1.2837
400 1.8168 1.7551 1.6487 1.4423 1.2837
1000 1.8139 1.7525 1.6464 1.4406 1.2824
