All analysis of variance procedures require that the observations are either ordinal or interval data.

Question

Quizplus · Accepted Answer

Analysis of Variance (ANOVA) procedures require interval or ratio data because these types of data are continuous and allow for meaningful comparison of means, which is central to ANOVA. Ordinal data, being categorical with a meaningful order but not equidistant, does not meet the requirements for ANOVA.

All Analysis of Variance Procedures Require That the Observations Are