Use of F Distribution Table This table is very useful for finding critical values of the F distribution. The three most common scenarios in which you’ll conduct an F test are as follows: F test in regression analysis to test for the overall significance of a regression model. The second table gives critical values of F at the p = 0.01 level of significance. F-Tables. The F-distribution table is used to find the critical value for an F test. F test in ANOVA (analysis of variance) to test for an overall difference between group means. When referencing the F distribution, the numerator degrees of freedom are always given first, as switching the order of degrees of freedom changes the distribution (e.g., F (10,12) does not equal F … Obtain your F-ratio. Table of critical values for the F distribution (for use with ANOVA): How to use this table: There are two tables here. To use the F distribution table, you only need three values: The numerator degrees of freedom The denominator degrees of freedom Upper one-sided 0.10 significance levels; two-sided 0.20 significance levels; 90 percent percentiles. F Distribution Tables The F distribution is a right-skewed distribution used most commonly in Analysis of Variance (see ANOVA/MANOVA). F Distribution Tables The F distribution is a right-skewed distribution used most commonly in Analysis of Variance. The first one gives critical values of F at the p = 0.05 level of significance. For example, F (2, 19, 0.95) = 3.522. F Table (alpha=0.05) The table values are critical values of the F distribution for alpha=0.05. The F distribution table is a table that shows the critical values of the F distribution. The F distribution is a ratio of two Chisquare distributions, and a specific F distribution is denoted by the degrees of freedom for the numerator Chi-square and the degrees of freedom for the denominator Chi-square. 1.