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  • t检验(ttest)临界值表(临界置信水平)

    t检验(t-test)临界值表(临界置信水平)  下载 

    n’ P(2): 0.5 0.2 0.1 0.05 0.02 0.01 0.005 0.002 0.001
                       
    P(1): 0.25 0.1 0.05 0.025 0.01 0.005 0.0025 0.001 0.0005
    1   1 3.078 6.314 12.706 31.821 63.657 127.321 318.309 636.619
    2   0.816 1.886 2.92 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 8.61
    5   0.727 1.476 2.015 2.571 3.365 4.032 4.773 5.893 6.869
    6   0.718 1.44 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 1.86 2.306 2.896 3.355 3.833 4.501 5.041
    9   0.703 1.383 1.833 2.262 2.821 3.25 3.69 4.297 4.781
    10   0.7 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 3.93 4.318
    13   0.694 1.35 1.771 2.16 2.65 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 4.14
    15   0.691 1.341 1.753 2.131 2.602 2.947 3.286 3.733 4.073
    16   0.69 1.337 1.746 2.12 2.583 2.921 3.252 3.686 4.015
    17   0.689 1.333 1.74 2.11 2.567 2.898 3.222 3.646 3.965
    18   0.688 1.33 1.734 2.101 2.552 2.878 3.197 3.61 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 3.85
    21   0.686 1.323 1.721 2.08 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 2.5 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 2.06 2.485 2.787 3.078 3.45 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 3.69
    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 1.31 1.697 2.042 2.457 2.75 3.03 3.385 3.646
    31   0.682 1.309 1.696 2.04 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 1.69 2.03 2.438 2.724 2.996 3.34 3.591
    36   0.681 1.306 1.688 2.028 2.434 2.719 2.99 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 2.98 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 2.39 2.66 2.915 3.232 3.46
    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 1.99 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 1.29 1.66 1.984 2.364 2.626 2.871 3.174 3.39
    200   0.676 1.286 1.653 1.972 2.345 2.601 2.839 3.131 3.34
    500   0.675 1.283 1.648 1.965 2.334 2.586 2.82 3.107 3.31
    1000   0.675 1.282 1.646 1.962 2.33 2.581 2.813 3.098 3.3
      0.6745 1.2816 1.6449 1.96 2.3263 2.5758 2.807 3.0902 3.2905

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  • 原文地址:https://www.cnblogs.com/emanlee/p/1319520.html
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