Behrens-Fisher problem


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Behrens-Fisher problem

[¦ber·ənz ¦fish·ər ‚präb·ləm]
(statistics)
The problem of calculating the probability of drawing two random samples whose means differ by some specified value (which may be zero) from normal populations, when one knows the difference of the means of these populations but not the ratio of their variances.
References in periodicals archive ?
This is the well-known Behrens-Fisher problem in statistics [4, 5], which we will not discuss here.
Robust rank procedures for the Behrens-Fisher problem.
The rank transformation approach to analysis of variance (ANOVA) as a solution to the Behrens-Fisher problem was examined.