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29 Απρ 2022 · Student’s t table is also known as the t table, t-distribution table, t-score table, t-value table, or t-test table. A critical value of t defines the threshold for significance for certain statistical tests and the upper and lower bounds of confidence intervals for certain estimates.
This t-distribution table provides the critical t-values for both one-tailed and two-tailed t-tests, and confidence intervals. Learn how to use this t-table with the information, examples, and illustrations below the table.
Table of critical values of t: One Tailed Significance level: 0.1 0.05 0.025 0.005 0.0025 0.0005 0.00025 0.00005 Two Tailed Significance level: df: 0.2 0.1 0.05 0.01 0.005 0.001 0.0005 0.0001
14 Ιουλ 2007 · t Table cum. prob t.50 t.75 t.80 t.85 t.90 t.95 t.975 t.99 t.995 t.999 t.9995 one-tail 0.50 0.25 0.20 0.15 0.10 0.05 0.025 0.01 0.005 0.001 0.0005 two-tails 1.00 0.50 0.40 0.30 0.20 0.10 0.05 0.02 0.01 0.002 0.001 df 1 0.000 1.000 1.376 1.963 3.078 6.314 12.71 31.82 63.66 318.31 636.62 2 0.000 0.816 1.061 1.386 1.886 2.920 4.303 6.965 9.925 22.327 31.599
Student's T Distribution Critical Values 0.400 0.300 0.250 0.200 0.150 0.100 0.050 0.025 0.020 0.010 0.005 0.003 0.001 1 0.325 0.727 1.000 1.376 1.963 3.078 6.314 12.706 15.895 31.821 63.657 127.32 318.31
Critical values of t for two-tailed tests Significance level (a) Degrees of freedom 20 22 23 24 29 30 40 50 60 70 80 100 1000 Infinite 0.2 3.078
Appendix Tables A-9 Table A.5 Critical Values for t Distributions " v.10 .05 .025 .01 .005 .001 .0005 1 3.078 6.314 12.706 31.821 63.657 318.31 636.62 2 1.886 2.920 4.303 6.965 9.925 22.326 31.598 ... Devore Probability Statistics Engineering Sciences Author: Ulisses U. dos Anjos
