In analysis of variance,it is assumed that all the groups have the same variation in the population.

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This assumption is known as homogeneity of variance, and it is a fundamental assumption of ANOVA. Without this assumption, the results of the analysis may not be reliable. However, if the assumption is violated, there are methods to address it, such as using a modified ANOVA or conducting a different type of analysis altogether.

In Analysis of Variance,it Is Assumed That All the Groups