alleryStart learning →The null hypothesis in one-way ANOVA states that all the group population means are:
AAll the same
BAll different
CExactly zero
DFully paired
Answer & Solution
Correct answer: A. All the same
1. ANOVA tests a claim about several means at once.
2. The null hypothesis is simply that all the group population means are the same.
3. The alternative hypothesis is that at least one pair of means is different.
4. Rejecting the null means at least one group stands apart.
_Source: OpenStax Introductory Statistics 2e (CC BY 4.0), Ch 13 'The F Distribution and One-Way ANOVA', sections 13.1-13.4_
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