t检验临界值分布表

t分布临界值 表 关于同志近三年现实表现材料材料类招标技术评分表图表与交易pdf视力表打印pdf用图表说话 pdf n’ P(2):双侧 0.5 0.2 0.1 0.05 0.02 0.01 0.005 0.002 0.001 P(1):单侧 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 然后计算的F值与查表得到的F表值比较，如果 22 0.686 1.321 1.717 2.074 2.508 2.819 3.119 3.505 3.792 　　F<F表表明两组数据没有显著差异； 23 0.685 1.319 1.714 2.069 2.5 2.807 3.104 3.485 3.768 　　F≥F表表明两组数据存在显著差异 24 0.685 1.318 1.711 2.064 2.492 2.797 3.091 3.467 3.745 　　置信度95%时F值(单边) 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 f大 2 3 4 5 6 7 8 9 10 ∞ 27 0.684 1.314 1.703 2.052 2.473 2.771 3.057 3.421 3.69 　　f小 28 0.683 1.313 1.701 2.048 2.467 2.763 3.047 3.408 3.674 2 19 19.16 19.25 19.3 19.33 19.36 19.37 19.38 19.39 19.5 29 0.683 1.311 1.699 2.045 2.462 2.756 3.038 3.396 3.659 3 9.55 9.28 9.12 9.01 8.94 8.88 8.84 8.81 8.78 8.53 30 0.683 1.31 1.697 2.042 2.457 2.75 3.03 3.385 3.646 4 6.94 6.59 6.39 6.26 6.16 6.09 6.04 6 5.96 5.63 31 0.682 1.309 1.696 2.04 2.453 2.744 3.022 3.375 3.633 5 5.79 5.41 5.19 5.05 4.95 4.88 4.82 4.78 4.74 4.36 32 0.682 1.309 1.694 2.037 2.449 2.738 3.015 3.365 3.622 6 5.14 4.76 4.53 4.39 4.28 4.21 4.51 4.1 4.06 3.67 33 0.682 1.308 1.692 2.035 2.445 2.733 3.008 3.356 3.611 7 4.74 4.35 4.12 3.97 3.87 3.79 3.73 3.68 3.63 3.23 34 0.682 1.307 1.091 2.032 2.441 2.728 3.002 3.348 3.601 8 4.46 4.07 3.84 3.69 3.58 3.5 3.44 3.39 3.34 2.93 35 0.682 1.306 1.69 2.03 2.438 2.724 2.996 3.34 3.591 9 4.26 3.86 3.63 3.48 3.37 3.29 3.23 3.18 3.13 2.71 36 0.681 1.306 1.688 2.028 2.434 2.719 2.99 3.333 3.582 10 4.1 3.71 3.48 3.33 3.22 3.14 3.07 3.02 2.97 2.54 37 0.681 1.305 1.687 2.026 2.431 2.715 2.985 3.326 3.574 　　∞ 3 3.6 2.37 3.21 2.1 2.01 1.94 1.88 1.83 1 38 0.681 1.304 1.686 2.024 2.429 2.712 2.98 3.319 3.566 为大方差数据的自由度；为小方差数据的自由度。 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 3.2905t分布表 t分布表 0.1 0.05 0.025 0.01 0.005 0.0005 （片側） 0.2 0.1 0.05 0.02 0.01 0.001 (両側) 1 3.07768 6.31375 12.70620 31.82052 63.65674 636.61925 2 1.88562 2.91999 4.30265 6.96456 9.92484 31.59905 3 1.63774 2.35336 3.18245 4.54070 5.84091 12.92398 4 1.53321 2.13185 2.77645 3.74695 4.60409 8.61030 5 1.47588 2.01505 2.57058 3.36493 4.03214 6.86883 6 1.43976 1.94318 2.44691 3.14267 3.70743 5.95882 7 1.41492 1.89458 2.36462 2.99795 3.49948 5.40788 8 1.39682 1.85955 2.30600 2.89646 3.35539 5.04131 9 1.38303 1.83311 2.26216 2.82144 3.24984 4.78091 10 1.37218 1.81246 2.22814 2.76377 3.16927 4.58689 11 1.36343 1.79588 2.20099 2.71808 3.10581 4.43698 12 1.35622 1.78229 2.17881 2.68100 3.05454 4.31779 13 1.35017 1.77093 2.16037 2.65031 3.01228 4.22083 14 1.34503 1.76131 2.14479 2.62449 2.97684 4.14045 15 1.34061 1.75305 2.13145 2.60248 2.94671 4.07277 16 1.33676 1.74588 2.11991 2.58349 2.92078 4.01500 17 1.33338 1.73961 2.10982 2.56693 2.89823 3.96513 18 1.33039 1.73406 2.10092 2.55238 2.87844 3.92165 19 1.32773 1.72913 2.09302 2.53948 2.86093 3.88341 20 1.32534 1.72472 2.08596 2.52798 2.84534 3.84952 21 1.32319 1.72074 2.07961 2.51765 2.83136 3.81928 22 1.32124 1.71714 2.07387 2.50832 2.81876 3.79213 23 1.31946 1.71387 2.06866 2.49987 2.80734 3.76763 24 1.31784 1.71088 2.06390 2.49216 2.79694 3.74540 25 1.31635 1.70814 2.05954 2.48511 2.78744 3.72514 26 1.31497 1.70562 2.05553 2.47863 2.77871 3.70661 27 1.31370 1.70329 2.05183 2.47266 2.77068 3.68959 28 1.31253 1.70113 2.04841 2.46714 2.76326 3.67391 29 1.31143 1.69913 2.04523 2.46202 2.75639 3.65941 30 1.31042 1.69726 2.04227 2.45726 2.75000 3.64596 40 1.30308 1.68385 2.02108 2.42326 2.70446 3.55097 50 1.29871 1.67591 2.00856 2.40327 2.67779 3.49601 60 1.29582 1.67065 2.00030 2.39012 2.66028 3.46020 70 1.29376 1.66691 1.99444 2.38081 2.64790 3.43501 80 1.29222 1.66412 1.99006 2.37387 2.63869 3.41634 90 1.29103 1.66196 1.98667 2.36850 2.63157 3.40194 100 1.29007 1.66023 1.98397 2.36422 2.62589 3.39049 110 1.28930 1.65882 1.98177 2.36073 2.62126 3.38118 120 1.28865 1.65765 1.97993 2.35782 2.61742 3.37345 ∞ 1.28155 1.64485 1.95996 2.32635 2.57583 3.29053