医学 |
医学词典 |
医药 |
中药 |
西药 |
日常疑问 |
急救护理 |
家庭用药 |
男性 |
生育 |
心理 |
女性 健康信息 | 生活 | 性爱 | 性病 | 性爱保健 | 两性健康 | 育儿 | 心理 | 瘦身美容 | 健身 | 服饰 | 情感 |
附表3 t值表 n’ P(2): P(1): 0.50 0.25 0.20 0.10 0.10 0.05 0.05 0.025 0.02 0.01 0.01 0.005 0.005 0.0025 0.002 0.001 0.001 0.0005 1 1.000 3.078 6.314 12.706 31.821 63.657 127.321 318.309 636.619 2 0.816 1.886 2.920 4.303 6.965 9.925 14.089 22.327 31.599 3 0.765 1.638 2.353 3.182 4.541 5.841 7.453 10.215 12.924 4 0.741 1.533 2.132 2.776 3.747 4.604 5.598 7.173 8.610 5 0.727 1.476 2.015 2.571 3.365 4.032 4.773 5.893 6.869 6 0.718 1.440 1.943 2.447 3.143 3.707 4.317 5.208 5.959 7 0.711 1.415 1.895 2.365 2.998 3.499 4.029 4.785 5.408 8 0.706 1.397 1.860 2.306 2.896 3.355 3.833 4.501 5.041 9 0.703 1.383 1.833 2.262 2.821 3.250 3.690 4.297 4.781 10 0.700 1.372 1.812 2.228 2.764 3.169 3.581 4.144 4.587 11 0.697 1.363 1.796 2.201 2.718 3.106 3.497 4.025 4.437 12 0.695 1.356 1.782 2.179 2.681 3.055 3.428 3.930 4.318 13 0.694 1.350 1.771 2.160 2.650 3.012 3.372 3.852 4.221 14 0.692 1.345 1.761 2.145 2.624 2.977 3.326 3.787 4.140 15 0.691 1.341 1.753 2.131 2.602 2.947 3.286 3.733 4.073 16 0.690 1.337 1.746 2.120 2.583 2.921 3.252 3.686 4.015 17 0.689 1.333 1.740 2.110 2.567 2.898 3.222 3.646 3.965 18 0.688 1.330 1.734 2.101 2.552 2.878 3.197 3.610 3.922 19 0.688 1.328 1.729 2.093 2.539 2.861 3.174 3.579 3.883 20 0.687 1.325 1.725 2.086 2.528 2.845 3.153 3.552 3.850 21 0.686 1.323 1.721 2.080 2.518 2.831 3.135 3.527 3.819 22 0.686 1.321 1.717 2.074 2.508 2.819 3.119 3.505 3.792 23 0.685 1.319 1.714 2.069 2.500 2.807 3.104 3.485 3.768 24 0.685 1.318 1.711 2.064 2.492 2.797 3.091 3.467 3.745 25 0.684 1.316 1.708 2.060 2.485 2.787 3.078 3.450 3.725 26 0.684 1.315 1.706 2.056 2.479 2.779 3.067 3.435 3.707 27 0.684 1.314 1.703 2.052 2.473 2.771 3.057 3.421 3.690 28 0.683 1.313 1.701 2.048 2.467 2.763 3.047 3.408 3.674 29 0.683 1.311 1.699 2.045 2.462 2.756 3.038 3.396 3.659 30 0.683 1.310 1.697 2.042 2.457 2.750 3.030 3.385 3.646 31 0.682 1.309 1.696 2.040 2.453 2.744 3.022 3.375 3.633 32 0.682 1.309 1.694 2.037 2.449 2.738 3.015 3.365 3.622 33 0.682 1.308 1.692 2.035 2.445 2.733 3.008 3.356 3.611 34 0.682 1.307 1.091 2.032 2.441 2.728 3.002 3.348 3.601 35 0.682 1.306 1.690 2.030 2.438 2.724 2.996 3.340 3.591 36 0.681 1.306 1.688 2.028 2.434 2.719 2.990 3.333 3.582 37 0.681 1.305 1.687 2.026 2.431 2.715 2.985 3.326 3.574 38 0.681 1.304 1.686 2.024 2.429 2.712 2.980 3.319 3.566 39 0.681 1.304 1.685 2.023 2.426 2.708 2.976 3.313 3.558 40 0.681 1.303 1.684 2.021 2.423 2.704 2.971 3.307 3.551 50 0.679 1.299 1.676 2.009 2.403 2.678 2.937 3.261 3.496 60 0.679 1.296 1.671 2.000 2.390 2.660 2.915 3.232 3.460 70 0.678 1.294 1.667 1.994 2.381 2.648 2.899 3.211 3.436 80 0.678 1.292 1.664 1.990 2.374 2.639 2.887 3.195 3.416 90 0.677 1.291 1.662 1.987 2.368 2.632 2.878 3.183 3.402 100 0.677 1.290 1.660 1.984 2.364 2.626 2.871 3.174 3.390 200 0.676 1.286 1.653 1.972 2.345 2.601 2.839 3.131 3.340 500 0.675 1.283 1.648 1.965 2.334 2.586 2.820 3.107 3.310 1000 0.675 1.282 1.646 1.962 2.330 2.581 2.813 3.098 3.300 ∝ 0.6745 1.2816 1.6449 1.9600 2.3263 2.5758 2.8070 3.0902 3.2905 注:表上右上角图中的阴影部分表示概率P,P(2)是双侧的概率,P(1)是单侧的概率,n’是自由度。 |