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This table shows the F critical value based on the degrees of freedom in the numerator and denominator in the F ratio and the level of alpha you choose.
F Distribution Tables. The F distribution is a right-skewed distribution used most commonly in Analysis of Variance. 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 (12,10)). For the four F tables ...
The F-distribution table is used to find the critical value for an F test. 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. F test in ANOVA (analysis of variance) to test for an overall difference between group means.
Learn about the F-test in ANOVA. Start by finding the table that corresponds to your significance level. Then, find the intersection of the column and rows that corresponds to your numerator and denominator DF. The F-table cell at that intersection indicates the critical values for your test.
How to use this table: There are two tables here. The first one gives critical values of F at the p = 0.05 level of significance. The second table gives critical values of F at the p = 0.01 level of significance. Obtain your F-ratio. This has (x,y) degrees of freedom associated with it.
Tables for the F-distribution are organized somewhat differently from the tables for other distributions. To use these tables you will need to select the level of the test (α) and compute df1 and df2. This document contains tables in two different formats.
F-Distribution Critical Values Table. This table contains the upper critical values of the F distribution. It is used for one-sided F tests at the α = 0.001, 0.01, 0.05, and 0.10.
F Distribution Table. This table shows the F critical value based on the degrees of freedom (DF) in the numerator (DF1) and denominator (DF2) and the level of significance (α). Click to zoom. For level of significance α = 0.10: For level of significance α = 0.05: For level of significance α = 0.025:
CRITICAL VALUES for the "F" Distribution, ALPHA = .05. CRITICAL VALUES for the "F" Distribution, ALPHA = .05.
F distribution critical value landmarks. Table entries are critical values for F* with probably p in right tail of the distribution. Figure of F distribution (like in Moore, 2004, p. 656) here. Critical values computed with Excel 9.0. F-table.xls. 1 of 2. 12/24/2005.