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Find in this t table (same as t distribution table, t score table, Student’s t table) t critical value by confidence level & DF for the Student’s t distribution.
Given below is the T Table (also known as T-Distribution Tables or Student’s T-Table). The T Table given below contains both one-tailed T-distribution and two-tailed T-distribution, df up to 1000 and a confidence level up to 99.9%
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.
Use the t-distribution table by finding the intersection of your significance level and degrees of freedom. The t-distribution is the sampling distribution of t-values when the null hypothesis is true. Learn more about the T Distribution: Definition and Uses.
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. ...
The t-test table is used to evaluate proportions combined with z-scores. This table is used to find the ratio for t-statistics. The t-distribution table displays the probability of t-values from a given value.
A t-table, or a t-distribution table, is a reference table that provides critical values for the t-test. The table is organized by degrees of freedom and significance levels (usually 0.05 or 0.01). The t-table is used to find the critical t-value corresponding to their specific degrees of freedom and chosen significance level.
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 2 1.061 1.886 2.920 3.320 3.896 4.303 4.849 6.965 9.925 31.599 3 0.978 1.638 2.353 2.605 2.951 3.182 3.482 4.541 5.841 12.924
This T table contains both one-tailed T-distribution and two-tailed T-distribution, degrees of freedom up to 1000, and a confidence level up to 99.9%. Use this T-Distribution Table to lookup T critical value for confidence level & degrees of freedom for one tail & two-tails.
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