An ANOVA is used to determine whether significant difference exist,and post tests are used to determine exactly which treatment means are significantly different.

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ANOVA is used to test whether there are significant differences among the means of more than two groups, while post-hoc tests (such as Tukey, Bonferroni, or Scheffe) are used to determine which specific groups differ significantly from each other. Therefore, the statement is true.

An ANOVA Is Used to Determine Whether Significant Difference Exist,and