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tTable

# tTable - Cutoff Points for the Student's Distribution V(1...

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Unformatted text preview: Cutoff Points for the Student's Distribution V, (1 For selected probabilities, a, the table shows the values fm such that Pftv > I”) = a, where tv is a Student's t random variable with v degrees of free- dom. For example, the probability is .10 that a Student's 1 random variable with 10 degrees of freedom exceeds 1.372. v a 0.100 0.050 0.025 0.010 0.005 1 3.078 6.314 1 2.706 31.821 63.657 2 1.386 2.920 4.303 6.965 9.925 3 1.638 2.353 3.182 4.541 5.841 4 1.533 2.132 2.776 3.747 4.604 5 1.476 2.015 2.571 3.365 4.032 6 1 .440 1 .943 2.447 3.143 3.707 7 1.415 1.395 2.365 2.998 3.499 8 1.397 1.860 2.306 2.896 3.355 9 1.383 1.833 2.262 2.821 3.250 10 1.372 1.812 2.228 2.764 3.169 11 1.363 1 .796 2.20] 2.718 3.106 12 1.356 1.782 2.179 2.681 3.055 13 1.350 1.771 2.160 2.650 3.012 14 1.345 1.761 2.145 2.624 2.977 15 1 .341 1 .753 2.131 2.602 2.947 16 1.337 1.746 2.120 2.583 2.921 17 1.333 1.740 2.110 2.567 2.898 18 1.330 1.734 2.101 2.552 2.878 19 1.328 1.729 2.093 2.539 2.861 20 1 .325 1.725 2.086 2.528 2.845 21 1.323 1.721 2.080 2.518 2.831 22 1.321 1.717 2.074 2.508 2.819 23 1.319 1.714 2.069 2.500 2.807 24 1.318 1.711 2.064 2.492 2.797 25 1.31 6 1.708 2.060 2.485 2.787 26 1.315 1.706 2.056 2.479 2.779 27 1.314 1.703 2.052 2.473 2.771 28 1.313 1.701 2.048 2.467 2.763 29 1 .311 1.699 2.045 2.462 2.756 30 1.31 0 1.697 2.042 2.457 2.750 40 1.303 1.684 2.021 2.423 2.704 60 1.296 1.671 2.000 2.390 2.660 °° 1 .282 1 .645 1.960 2.326 2.576 Reproduced with permission of the trustees of Biometrika, from Biometrika Tables for Statisticians, vol. 1 (1966). ...
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