Which of the following is a possible null hypothesis in an analysis of variance with 5 groups? ( H ₁: μ₁ ≠ μ₂ ≠ μ₃ ≠ μ₄ ≠ μ₅; H ₂: μ₁ ≠ μ₂ = μ₃ = μ₄ = μ₅) A) the first one B) the second one C) both the first and second D) Neither of these is a null hypothesis.

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In an analysis of variance (ANOVA), the null hypothesis typically states that there are no differences between group means, implying all group means are equal. Neither of the provided options represents this; the first option suggests all means are different, and the second suggests a mix of equality and inequality, which are not standard forms for a null hypothesis in ANOVA.

Which of the Following Is a Possible Null Hypothesis in an Analysis