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Use the table below to find the chi-square critical value for your chi-square test or confidence interval or download the chi-square distribution table (PDF). The table provides the right-tail probabilities.
Chi-Square Distribution Table 0 c 2 The shaded area is equal to fi for ´2 = ´2 fi. df ´2:995 ´ 2:990 ´ 2:975 ´ 2:950 ´ 2:900 ´ 2:100 ´ 2:050 ´ 2:025 ´ 2:010 ´ 2:005 1 0.000 0.000 0.001 0.004 0.016 2.706 3.841 5.024 6.635 7.879
The table below can help you find a "p-value" (the top row) when you know the Degrees of Freedom "DF" (the left column) and the "Chi-Square" value (the values in the table). See Chi-Square Test page for more details. Or just use the Chi-Square Calculator.
The Chi-Square distribution table is a table that shows the critical values of the Chi-Square distribution. To use the Chi-Square distribution table, you only need to know two values: The degrees of freedom for the Chi-Square test.
This chi-square table provides the critical values for chi-square (χ 2) hypothesis tests. The column and row intersections are the right-tail critical values for a given probability and degrees of freedom. Typically, use your significance level to choose the column.
Chi-square Distribution Table d.f. .995 .99 .975 .95 .9 .1 .05 .025 .01 1 0.00 0.00 0.00 0.00 0.02 2.71 3.84 5.02 6.63 2 0.01 0.02 0.05 0.10 0.21 4.61 5.99 7.38 9.21
The chi-square distribution table below shows the critical values for different probability levels (P) and degrees of freedom (DF).
15.9 - The Chi-Square Table. One of the primary ways that you will find yourself interacting with the chi-square distribution, primarily later in Stat 415, is by needing to know either a chi-square value or a chi-square probability in order to complete a statistical analysis.
Critical Values of the Chi Square Distribution Probability Level .001 .005 .010 .025 .050 .100 .900 .950 .975 .990 .995 .999 dF 1 .000 .000 .000 .001 .004 .016 2.706 ...
TABLE C: Chi-Square distributions cum probability 0.025 0.80 0.90 0.95 0.975 0.99 0.995 0.999 0.9995 right tail 0.975 0.2 0.1 0.05 0.025 0.01 0.005 0.001 0.0005