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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.
- One- and Two-Tailed Tests
The t critical value for the two-tailed test is +/- 2.086...
- One- and Two-Tailed Tests
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.
Critical Values for Student’s t-Distribution. Upper Tail Probability: Pr(T > t) df 0.2 0.1 0.05 0.04 0.03 0.025 0.02 0.01 0.005 0.0005 1 1.376 3.078 6.314 7.916 10.579 12.706 15.895 31.821 63.657 636.619
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 3 1.638 2.353 3.182 4.541 5.841 10.213 12.924
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
This table contains critical values associated with the t distribution, ta, defi ned by the degrees of freedom and a. a.
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
