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F distribution

British  

noun

  1. statistics a continuous distribution obtained from the ratio of two chi-square distributions and used esp to test the equality of the variances of two normally distributed variances

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Other uses for the F distribution include comparing two variances and two-way analysis of variance.

From Textbooks • Mar. 27, 2020

Fα,df1,df2 will give the critical value on the upper end of the F distribution.

From Textbooks • Nov. 29, 2017

An alternative way of finding the critical values of the F distribution makes the use of the F-table easier.

From Textbooks • Nov. 29, 2017

This form of the hypothesis also shows the relationship between the F distribution and the χ2 : the F is a ratio of two chi squared distributions a distribution we saw in the last chapter.

From Textbooks • Nov. 29, 2017

You will also study the F distribution, used for one-way ANOVA, and the test for differences between two variances.

From Textbooks • Nov. 29, 2017