An ANOVA test for the equivalency of means under unequal variances

Shun Yi Chen*, Hubert J. Chen, Cherng G. Ding

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


In this paper, we present a two-stage test procedure for testing the hypothesis that the normal means are falling into a practically indifferent zone. Both the level and the power associated with the proposed test are controllable and are completely independent of the unknown variances. Relation to a single-stage procedure is discussed when the two-stage sampling procedure cannot be completely carried through. An example and tables needed for implementation are given.

Original languageEnglish
Pages (from-to)151-175
Number of pages25
JournalComputational Statistics and Data Analysis
Issue number2
StatePublished - 28 Apr 2000


  • Analysis of variance
  • Power
  • Single stage
  • Two stage


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